Siege of Nicaea

The siege of Nicaea of 727 was an unsuccessful attempt by the Umayyad Caliphate to capture the Byzantine city of Nicaea, the capital of the Opsician Theme. Ever since its failure to capture the Byzantine Empire's capital, Constantinople, in 717–718, the Caliphate had launched a series of raids into Byzantine Asia Minor. In 727, the Arab army, led by one of the Caliph's sons, penetrated deep into Asia Minor, sacked two Byzantine fortresses and in late July arrived before Nicaea. Despite constant attacks for 40 days, the city held firm and the Arabs withdrew and returned to the Caliphate. The successful repulsion of the attack was a major boost for Byzantine emperor Leo III the Isaurian's recently initiated campaign to abolish the veneration of icons in the Empire; Leo claimed it as evidence of divine favour for his policy. The siege of Nicaea marks also the high point of the Umayyad raids, as new threats and defeats on their far-flung frontiers decreased Umayyad strength elsewhere, while Byzantine power strengthened afterwards.

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727  Wikidata
battle, siege, Roman Asia Minor, 

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Location: 40.429, 29.7195, KML, Cluster Map, Maps,
12 places

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0727-01-01T00:00:00Z

0727-01-01T00:00:00Z

727 Siege of Nicaea

0193-01-01T00:00:00Z

0193-01-01T00:00:00Z

193 Battle of Nicaea

1057-08-20T00:00:00Z

1057-08-20T00:00:00Z

1057 Battle of Petroe

1077-01-01T00:00:00Z

1078-01-01T00:00:00Z

1077 — 1078 Siege of Nicée

1096-09-01T00:00:00Z

1096-09-01T00:00:00Z

1096 Siege of Xerigordon

1097-05-14T00:00:00Z

1097-06-19T00:00:00Z

1097 Siege of Nicaea

1113-01-01T00:00:00Z

1113-01-01T00:00:00Z

1113 Siege of Nicaea

1328-01-01T00:00:00Z

1331-01-01T00:00:00Z

1328 — 1331 Siege of Nicaea

1513-05-04T00:00:00Z

1513-05-04T00:00:00Z

1513 Battle of Yenişehir

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Frameless

Type	Subtype	Date	Description	Notes	Source
area	region	1204	Empire of Nicaea		Wikidata
event	armed conflict	193	Battle of Nicaea	battle	Wikidata
event	armed conflict	727	Siege of Nicaea	battle, siege	Wikidata
event	armed conflict	1057	Battle of Petroe	battle	Wikidata
event	armed conflict	1077	Siege of Nicée	siege	Wikidata
event	armed conflict	1096	Siege of Xerigordon	siege	Wikidata
event	armed conflict	1097	Siege of Nicaea	siege	Wikidata
event	armed conflict	1113	Siege of Nicaea	siege	Wikidata
event	armed conflict	1328	Siege of Nicaea	siege	Wikidata
event	armed conflict	1513	Battle of Yenişehir	Ottoman Empire, battle	Wikidata
site	fort		İznik Castle	fortress, defensive wall	Wikidata
site	fort		Köprühisar	mahalle, village of Turkey, fortress	Wikidata
site	fort		Lefke Castle (Bilecik)	fortress	Wikidata