The Byzantine Empire

The First Crusade

The Second Crusade

After the first Crusade

After the Second Crusade

Rescued Hugh of Vermandois when he was shipwrecked while travelling to the Holy Land

Left supplies for Godfrey's army in order to avoid the same looting committed by the Peasant's Army

Alexius I withdrew aid, leading to Godfrey launching an attack on Constantinople

Appointed Boutoumites as a military advisor to the Crusaders, and later sent a commander named Tactitius with 2000 troops to Nicaea

Did not allow the Crusaders to loot or plunder once Nicaea had been taken

Failed to show up during the Battle of Antioch due to Stephen of Blois - led to the century-long dispute over Antioch

Provided food, soldiers, transport, guides and leadership, but all this ended at Antioch

Many existing castles had been built by the Byzantines before they lost the land

The majority of trade and support came from the Byzantines in this period

Bohemond tried to launch his own crusade on Byzantium, and Alexius I successfully deterred him

John II used siege engines against the walls of Antioch in 1137, which led to all crusader states acknowledging Byzantium as an overlord

Attacked Muslim-held lands in Syria with Antioch and Edessa with some success

In 1142 John II attacked Antioch again by taking hostages in order to elicit promises from Joscelin, demanding that Joscelin let him in with no success

Conrad and Manuel had several skirmishes during Conrad's journey

Tended to Conrad's injuries

They made an alliance against Roger of Sicily

Manuel agreed a treaty with Nureddin against the Seljuk Turks in order to end the raids into his lands

Attacked Egypt with Amalric in 1169 in an attempt to curb Saladin

Manuel married a Frankish woman named Maria in 1161 to improve relations

Manuel approved Reynald's marriage, but at a high price, which Reynald misinterpreted

A Byzantine fleet sailed to Cyprus to remove Reynald from the island, as he had attacked in 1156

Manuel tried to repair the Schism

Baldwin III married Manuel's niece, Theodora

Manuel promised to help the Franks against Nureddin

Manuel struck a truce with Nureddin against the Seljuk Turks

Manuel visited Jerusalem in 1171