Error: Invalid JSON (<!DOCTYPE html> <html lang="en"> <head>

   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Wikimedia Commons SPARQL Query Error</title>
   <script src="https://cdn.tailwindcss.com"></script>
   <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap" rel="stylesheet">
   <style>
       body {
           font-family: 'Inter', sans-serif;
           background-color: #f3f4f6;
       }
       .container {
           max-width: 900px;
       }
       .error-box {
           background-color: #fee2e2;
           color: #ef4444;
           padding: 1.5rem;
           border-radius: 0.5rem;
           border: 1px solid #ef4444;
           word-wrap: break-word; /* Ensure long URLs/messages wrap */
       }
       code {
           background-color: #e2e8f0;
           padding: 0.2rem 0.4rem;
           border-radius: 0.25rem;
           font-family: monospace;
       }
   </style>

</head> <body class="p-4 flex items-center justify-center min-h-screen">

SPARQL Query Service

Operation Failed:

An error occurred during query execution: HTTP Error: 400 Response: SPARQL-QUERY: queryStr= SELECT DISTINCT ?item ?file ?date ?label ?qualityLabel ?lat ?long ?type ?subtype ?source WHERE { SERVICE wikibase:label { bd:serviceParam wikibase:language 'en'. } { SELECT DISTINCT ?item ?file ?date ?label ?quality ?lat ?long ?type ?subtype ?source WHERE { { SELECT DISTINCT ?item ?date ?file ?type ?subtype ?source (COALESCE(?label1,?label2) AS ?label) (SAMPLE (COALESCE(?lat1,?lat2)) AS ?lat) (SAMPLE (COALESCE(?long1,?long2)) AS ?long) (SAMPLE(?qualitylist) AS ?quality) WHERE { {?item wdt:P180 wd:Q124003399.} UNION {SERVICE wikibase:mwapi{ bd:serviceParam wikibase:api 'Generator' . bd:serviceParam wikibase:endpoint 'commons.wikimedia.org' . bd:serviceParam mwapi:gcmtitle 'Category:Dover Castle, Colton's Gate' . bd:serviceParam mwapi:generator 'categorymembers' . bd:serviceParam mwapi:gcmtype 'file' . bd:serviceParam mwapi:gcmlimit 'max' . ?title wikibase:apiOutput mwapi:title . ?pageid wikibase:apiOutput '@pageid' . } BIND (URI(CONCAT('https://commons.wikimedia.org/entity/M', ?pageid)) AS ?item) } OPTIONAL {?item rdfs:label ?label1 FILTER(LANG(?label1) = 'en')} ?item schema:url ?url. BIND (CONCAT('File:',wikibase:decodeUri(substr(str(?url),52))) AS ?file) # BIND(REPLACE(REPLACE(?file, '^File:', ), '\.[^.]*$', ) AS ?label2) BIND(REPLACE(REPLACE(?file, '^File:', ), '.[^.]*$', ) AS ?label2) OPTIONAL {?item wdt:P571 ?date} OPTIONAL {?item wdt:P6731 ?qualitylist} OPTIONAL { ?item p:P1259 ?position1. ?position1 psv:P1259/wikibase:geoLatitude ?lat1a. ?position1 psv:P1259/wikibase:geoLongitude ?long1a. BIND(STR(?lat1a) AS ?lat1) BIND(STR(?long1a) AS ?long1) } OPTIONAL { ?item p:P9149 ?position2. ?position2 psv:P9149wikibase:geoLatitude ?lat2a. ?position2 psv:P9149/wikibase:geoLongitude ?long2a. BIND(STR(?lat2a) AS ?lat2) BIND(STR(?long2a) AS ?long2) } BIND(CONCAT('commons') AS ?type) BIND(CONCAT('image') AS ?subtype) BIND(CONCAT('Commons') AS ?source) FILTER ( STRENDS(LCASE(STR(?file)), '.jpg') || STRENDS(LCASE(STR(?file)), '.jpeg') ) } GROUP BY ?item ?date ?file ?label1 ?label2 ?lat1 ?lat2 ?long1 ?long2 ?type ?subtype ?source } } ORDER BY DESC(?quality) ASC(?date) LIMIT 10 } } GROUP BY ?item ?file ?date ?label ?qualityLabel ?lat ?long ?type ?subtype ?source ORDER BY ASC(?date) java.util.concurrent.ExecutionException: org.openrdf.query.MalformedQueryException: Lexical error at line 20, column 78. Encountered: " " (32), after : "s" at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:206) at com.bigdata.rdf.sail.webapp.BigdataServlet.submitApiTask(BigdataServlet.java:292) at com.bigdata.rdf.sail.webapp.QueryServlet.doSparqlQuery(QueryServlet.java:678) at com.bigdata.rdf.sail.webapp.QueryServlet.doPost(QueryServlet.java:275) at com.bigdata.rdf.sail.webapp.RESTServlet.doPost(RESTServlet.java:269) at com.bigdata.rdf.sail.webapp.MultiTenancyServlet.doPost(MultiTenancyServlet.java:195) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655) at org.wikidata.query.rdf.blazegraph.throttling.ThrottlingFilter.doFilter(ThrottlingFilter.java:322) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.throttling.SystemOverloadFilter.doFilter(SystemOverloadFilter.java:84) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at ch.qos.logback.classic.helpers.MDCInsertingServletFilter.doFilter(MDCInsertingServletFilter.java:50) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.QueryEventSenderFilter.doFilter(QueryEventSenderFilter.java:125) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.ClientIPFilter.doFilter(ClientIPFilter.java:43) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.JWTIdentityFilter.doFilter(JWTIdentityFilter.java:66) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.RealAgentFilter.doFilter(RealAgentFilter.java:33) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) at org.wikidata.query.rdf.blazegraph.filters.RequestConcurrencyFilter.doFilter(RequestConcurrencyFilter.java:50) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1340) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1242) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:503) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683) at java.lang.Thread.run(Thread.java:750) Caused by: org.openrdf.query.MalformedQueryException: Lexical error at line 20, column 78. Encountered: " " (32), after : "s" at com.bigdata.rdf.sail.sparql.Bigdata2ASTSPARQLParser.parseQuery2(Bigdata2ASTSPARQLParser.java:404) at com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:741) at com.bigdata.rdf.sail.webapp.QueryServlet$SparqlQueryTask.call(QueryServlet.java:695) at com.bigdata.rdf.task.ApiTaskForIndexManager.call(ApiTaskForIndexManager.java:68) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 more Caused by: com.bigdata.rdf.sail.sparql.ast.TokenMgrError: Lexical error at line 20, column 78. Encountered: " " (32), after : "s" at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilderTokenManager.getNextToken(SyntaxTreeBuilderTokenManager.java:3994) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.jj_ntk(SyntaxTreeBuilder.java:9637) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.RDFLiteral(SyntaxTreeBuilder.java:7189) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphTerm(SyntaxTreeBuilder.java:3893) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.VarOrTermOrTRefP(SyntaxTreeBuilder.java:8714) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphNodePath(SyntaxTreeBuilder.java:3786) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ObjectPath(SyntaxTreeBuilder.java:3467) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ObjectListPath(SyntaxTreeBuilder.java:3044) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.PropertyListPath(SyntaxTreeBuilder.java:2992) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.TriplesSameSubjectPath(SyntaxTreeBuilder.java:2919) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.TriplesBlock(SyntaxTreeBuilder.java:2321) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.BasicGraphPattern(SyntaxTreeBuilder.java:2097) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2034) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.ServiceGraphPattern(SyntaxTreeBuilder.java:2534) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2370) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2459) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SubSelect(SyntaxTreeBuilder.java:416) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1965) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SubSelect(SyntaxTreeBuilder.java:416) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1965) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupOrUnionGraphPattern(SyntaxTreeBuilder.java:2451) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPatternNotTriples(SyntaxTreeBuilder.java:2361) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2047) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GraphPattern(SyntaxTreeBuilder.java:2056) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.GroupGraphPattern(SyntaxTreeBuilder.java:1969) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.WhereClause(SyntaxTreeBuilder.java:1013) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.SelectQuery(SyntaxTreeBuilder.java:377) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.Query(SyntaxTreeBuilder.java:328) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.QueryContainer(SyntaxTreeBuilder.java:216) at com.bigdata.rdf.sail.sparql.ast.SyntaxTreeBuilder.parseQuery(SyntaxTreeBuilder.java:32) at com.bigdata.rdf.sail.sparql.Bigdata2ASTSPARQLParser.parseQuery2(Bigdata2ASTSPARQLParser.java:336) ... 7 more

</body> </html>). part of Dover Castle

OverviewRelatedTimelineGalleryTableS1S2S3

Wikimedia, Wikidata
gate tower,

Location: 51.1285, 1.3222, KML, Maps

+−

Esri.WorldImagery

OpenStreetMap

Admiralty Pier Turret
artillery battery, battery tower,
Archcliffe Fort 1370
fort, historical military facility,
Canterbury Castle 1135
castle, tripadvisor
Capel Battery 1942
artillery battery, military museum,
Chilham Castle
castle, curtain wall, keep,
Colton's Gate
gate tower,
Deal Castle 1539
English Heritage, castle, fort, military museum, tripadvisor
Dover Castle 1179
English Heritage, archaeological site, bunker, castle, fort, history museum, tripadvisor
Dover Western Heights 1779
English Heritage, fort, tripadvisor
Dymchurch Martello Tower 1805
English Heritage, Martello tower, military museum, tripadvisor
Dymchurch Redoubt
redoubt,
Fan Bay Deep Shelter 1941
National Trust, artillery battery, bunker, tripadvisor
Fort Burgoyne 1861
The Land Trust, fort, tripadvisor
Hougham Battery 1941
artillery battery,
Kent Battle of Britain Museum 1971
military museum, tripadvisor
Langdon Battery 1898
artillery battery,
Lydden Spout Battery 1941
artillery battery,
Martello Tower No. 1 1805
Martello tower,
Martello Tower No. 10 1805
Martello tower,
Martello Tower No. 11 1805
Martello tower,
Martello Tower No. 12 1805
Martello tower,
Martello Tower No. 13 1805
Martello tower,
Martello Tower No. 14 1805
Martello tower,
Martello Tower No. 15 1806
Martello tower,
Martello Tower No. 16 1805
Martello tower,
Martello Tower No. 17 1805
Martello tower,
Martello Tower No. 18 1805
Martello tower,
Martello Tower No. 19 1805
Martello tower,
Martello Tower No. 2 1805
Martello tower,
Martello Tower No. 20 1805
Martello tower,
Martello Tower No. 21 1805
Martello tower,
Martello Tower No. 22 1805
Martello tower,
Martello Tower No. 23 1805
Martello tower,
Martello Tower No. 25 1805
Martello tower,
Martello Tower No. 26 1805
Martello tower,
Martello Tower No. 27 1805
Martello tower,
Martello Tower No. 3 1805
Martello tower,
Martello Tower No. 4 1805
Martello tower,
Martello Tower No. 5 1805
Martello tower,
Martello Tower No. 6 1805
Martello tower,
Martello Tower No. 7 1805
Martello tower,
Martello Tower No. 8 1805
Martello tower,
Martello Tower No. 9 1805
Martello tower,
RAF Manston History Museum
military museum, museum,
Ramsgate Tunnels 1863
air-raid shelter, museum, railway tunnel, tripadvisor
Saltwood Castle 1100
castle, tripadvisor
Sandgate Castle 1539
castle, fort,
Sandown Castle 1539
castle, fort, ruins,
Shell Keep, Newington
shell keep,
Shorncliffe Redoubt
redoubt,
Spitfire and Hurricane Memorial Museum 1981
independent museum, military museum, museum, tripadvisor
Walmer Castle 1539
English Heritage, castle, fort, historic house museum, history museum, tripadvisor
Wanstone Battery 1940
British Army, artillery battery,
West Gate Towers Museum 1906
garden, military museum, tripadvisor
Winchelsea Caves
air-raid shelter, underground limestone mine,

Action of 10 August 1695 – Action of 13 May 1942 – Action of 15 February 1918 – Battle of Dover – Battle of Dover Strait – Battle of Dungeness – Battle of Goodwin Sands – Battle of Sandwich – Battle of Sandwich – Battle of Sandwich (851) – Battle of the Downs – Battle of the Narrow Seas – Battle of Watling Street – Battle of Wippedesfleot – Caesar's invasions of Britain – gate tower – HMS B2 – HMS Blackwater – HMS Brazen – HMS Codrington – HMS Glatton – HMS Mary – HMS Niger – HMS Northumberland – HMS Restoration – HMS Stirling Castle – Kingdom of Kent – SM U-11 Q474800 – SM U-48 Q519597 – SM UB-33 Q575085 – Second Battle of Dover Strait – Siege of Canterbury – Siege of Dover Castle – SM UB-109 – SM UB-38 – SM UB-55 – SM UB-56 – SM UB-58 – SM UC-26 – SM UC-72 – SMS Grosser Kurfürst – United Kingdom –

0450-01-01T00:00:00Z

0871-01-01T00:00:00Z

450—871 Kingdom of Kent

1695-08-10T00:00:00Z

1695 Action of 10 August 1695

1942-05-13T00:00:00Z

1942 Action of 13 May 1942

1918-02-15T00:00:00Z

1918 Action of 15 February 1918

1217-01-01T00:00:00Z

1217 Battle of Dover

1916-10-26T00:00:00Z

1916-10-27T00:00:00Z

1916 Battle of Dover Strait

1652-12-10T00:00:00Z

1652 Battle of Dungeness

1652-06-08T00:00:00Z

1652 Battle of Goodwin Sands

1217-08-24T00:00:00Z

1217 Battle of Sandwich

1460-01-01T00:00:00Z

1460 Battle of Sandwich

0851-01-01T00:00:00Z

851 Battle of Sandwich (851)

1639-10-21T00:00:00Z

1639 Battle of the Downs

1602-10-03T00:00:00Z

1602-10-04T00:00:00Z

1602 Battle of the Narrow Seas

0060-01-01T00:00:00Z

0061-01-01T00:00:00Z

60—61 Battle of Watling Street

0466-01-01T00:00:00Z

466 Battle of Wippedesfleot

0055-01-01T00:00:00Z

-55 Caesar's invasions of Britain

1917-04-20T00:00:00Z

1917 Second Battle of Dover Strait

1011-09-14T00:00:00Z

1011-10-05T00:00:00Z

1011 Siege of Canterbury

1216-07-26T00:00:00Z

1216-10-21T00:00:00Z

1216 Siege of Dover Castle

{"selectable":false,"width":"100%","zoomMin":100000000000}

Type	Date	Description	Notes	Source	Subtype

area	450	Kingdom of Kent	,	Wikidata	region
event	1695	Action of 10 August 1695	Kingdom of England, Swedish Empire, naval battle,	Wikidata	armed conflict
event	1942	Action of 13 May 1942	naval battle,	Wikidata	armed conflict
event	1918	Action of 15 February 1918	naval battle,	Wikidata	armed conflict
event	1217	Battle of Dover	naval battle,	Wikidata	armed conflict
event	1916	Battle of Dover Strait	German Empire, United Kingdom of Great Britain and Ireland, naval battle,	Wikidata	armed conflict
event	1652	Battle of Dungeness	Commonwealth of England, Dutch Republic, naval battle,	Wikidata	armed conflict
event	1652	Battle of Goodwin Sands	battle,	Wikidata	armed conflict
event	1217	Battle of Sandwich	naval battle,	Wikidata	armed conflict
event	1460	Battle of Sandwich	House of Lancaster, House of York, naval battle,	Wikidata	armed conflict
event	851	Battle of Sandwich (851)	Kingdom of Wessex, Vikings, battle,	Wikidata	armed conflict
event	1639	Battle of the Downs	Dutch Republic, Hispanic Monarchy, naval battle,	Wikidata	armed conflict
event	1602	Battle of the Narrow Seas	Dutch Republic, Kingdom of England, Spain, naval battle,	Wikidata	armed conflict
event	60	Battle of Watling Street	Ancient Rome, Boudica, Gaius Suetonius Paulinus, Iceni, Trinovantes, battle,	Wikidata	armed conflict
event	466	Battle of Wippedesfleot	Anglo-Saxons, Celtic Britons, battle,	Wikidata	armed conflict
event	55	Caesar's invasions of Britain	Ancient Rome, Celtic Britons, battle,	Wikidata	armed conflict
event	1917	Second Battle of Dover Strait	German Empire, United Kingdom of Great Britain and Ireland, naval battle,	Wikidata	armed conflict
event	1011	Siege of Canterbury	Anglo-Saxons, Vikings, siege,	Wikidata	armed conflict
event	1216	Siege of Dover Castle	siege,	Wikidata	armed conflict
object		HMS B2	B-class submarine, submarine, sunken vessel,	Wikidata	watercraft
object	1903	HMS Blackwater	River-class destroyer, destroyer, shipwreck,	Wikidata	naval vessel
object		HMS Brazen	B-class destroyer, destroyer, shipwreck,	Wikidata	naval vessel
object	1930	HMS Codrington	A-class destroyer, destroyer, flotilla leader, shipwreck,	Wikidata	naval vessel
object	1895	HMS Fervent	Fervent-class destroyer, torpedo-boat destroyer,	Wikidata	naval vessel
object	1914	HMS Glatton	Bjørgvin-class coastal defence ship, Gorgon-class monitor, monitor, shipwreck,	Wikidata	naval vessel
object	1650	HMS Mary	Speaker-class frigate, shipwreck, third-rate,	Wikidata	naval vessel
object	1892	HMS Niger	Alarm-class torpedo gunboat, shipwreck, torpedo gunboat,	Wikidata	naval vessel
object	1679	HMS Northumberland	shipwreck, third-rate,	Wikidata	naval vessel
object	1678	HMS Restoration	shipwreck, third-rate,	Wikidata	naval vessel
object	1679	HMS Stirling Castle	shipwreck, third-rate,	Wikidata	naval vessel
object		SM U-11	U-boat,	Wikidata	naval vessel
object		SM U-48	U-boat,	Wikidata	naval vessel
object		SM U-8	Type U 5 submarine, shipwreck, submarine,	Wikidata	watercraft
object		SM UB-109	Type UB III submarine, U-boat,	Wikidata	naval vessel
object	1916	SM UB-33	Type UB II submarine, U-boat,	Wikidata	naval vessel
object		SM UB-38	Type UB II submarine, U-boat,	Wikidata	naval vessel
object		SM UB-55	Type UB III submarine, U-boat,	Wikidata	naval vessel
object		SM UB-56	Type UB III submarine, U-boat,	Wikidata	naval vessel
object		SM UB-58	Type UB III submarine, U-boat,	Wikidata	naval vessel
object		SM UC-26	Type UC II submarine, U-boat,	Wikidata	naval vessel
object		SM UC-72	Type UC II submarine, U-boat,	Wikidata	naval vessel
object		SMS Grosser Kurfürst	Preussen-class ironclad, ironclad warship, shipwreck,	Wikidata	naval vessel
object		U-12	Type IIB submarine, U-boat, shipwreck,	Wikidata	naval vessel
object		U-16	Type IIB submarine, U-boat,	Wikidata	naval vessel
object		Unterseeboot UA	A-class submarine, shipwreck, submarine,	Wikidata	watercraft
site		Admiralty Pier Turret	artillery battery, battery tower,	Wikidata	artillery battery
site	1370	Archcliffe Fort	fort, historical military facility,	Wikidata	fort
site	1135	Canterbury Castle	castle, tripadvisor	Wikidata	castle
site	1942	Capel Battery	artillery battery, military museum,	Wikidata	museum
site		Chilham Castle	castle, curtain wall, keep,	Wikidata	castle
site		Colton's Gate	gate tower,	Wikidata	military base
site	1539	Deal Castle	English Heritage, castle, fort, military museum, tripadvisor	Wikidata	castle
site	1179	Dover Castle	English Heritage, archaeological site, bunker, castle, fort, history museum, tripadvisor	Wikidata	bunker
site	1779	Dover Western Heights	English Heritage, fort, tripadvisor	Wikidata	fort
site	1805	Dymchurch Martello Tower	English Heritage, Martello tower, military museum, tripadvisor	Wikidata	museum
site		Dymchurch Redoubt	redoubt,	Wikidata	fort
site	1941	Fan Bay Deep Shelter	National Trust, artillery battery, bunker, tripadvisor	Wikidata	artillery battery
site	1861	Fort Burgoyne	The Land Trust, fort, tripadvisor	Wikidata	fort
site	1941	Hougham Battery	artillery battery,	Wikidata	artillery battery
site	1971	Kent Battle of Britain Museum	military museum, tripadvisor	Wikidata	museum
site	1898	Langdon Battery	artillery battery,	Wikidata	artillery battery
site	1941	Lydden Spout Battery	artillery battery,	Wikidata	artillery battery
site	1805	Martello Tower No. 1	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 10	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 11	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 12	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 13	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 14	Martello tower,	Wikidata	military base
site	1806	Martello Tower No. 15	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 16	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 17	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 18	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 19	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 2	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 20	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 21	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 22	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 23	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 25	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 26	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 27	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 3	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 4	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 5	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 6	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 7	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 8	Martello tower,	Wikidata	military base
site	1805	Martello Tower No. 9	Martello tower,	Wikidata	military base
site		RAF Manston History Museum	military museum, museum,	Wikidata	museum
site	1863	Ramsgate Tunnels	air-raid shelter, museum, railway tunnel, tripadvisor	Wikidata	museum
site	1100	Saltwood Castle	castle, tripadvisor	Wikidata	castle
site	1539	Sandgate Castle	castle, fort,	Wikidata	castle
site	1539	Sandown Castle	castle, fort, ruins,	Wikidata	castle
site		Shell Keep, Newington	shell keep,	Wikidata	military base
site		Shorncliffe Redoubt	redoubt,	Wikidata	fort
site	1981	Spitfire and Hurricane Memorial Museum	independent museum, military museum, museum, tripadvisor	Wikidata	museum
site	1539	Walmer Castle	English Heritage, castle, fort, historic house museum, history museum, tripadvisor	Wikidata	castle
site	1940	Wanstone Battery	British Army, artillery battery,	Wikidata	artillery battery
site	1906	West Gate Towers Museum	garden, military museum, tripadvisor	Wikidata	museum
site		Winchelsea Caves	air-raid shelter, underground limestone mine,	Wikidata	bunker

Individual site searches

Google custom search of these specialist sites

Google custom search of these general sites

Colton's Gate

From Warlike

Q124003399

SPARQL Query Service