• The First Crusade continues. Raymond of Saint-Gilles, count of Toulouse, establishes the fourth crusader state in the Holy Land when he captures the Syrian city of Tartus. Raymond also lays seige to Tripoli, which would eventually fall to the crusaders in 1109.
• El Cid's kingdom of Valencia falls to the Almoravids, and will remain in Moorish hands until 1238.
• Croatian tribal chiefs sign a pact with Hungarian king Coloman ceding Croatia to the Hungarian crown.
• Saewulf, an Anglo-Saxon monk from Malmesbury, undertakes a pilgrimage to the Holy Land. His vivid account of his travels will become a valuable historical source for information on the medieval Middle East.
• St. Anslem writes his spiritual meditation De Processione Spiritus Sancti, based on his speeches at Bari in 1098.

These people were born in 1102:

• Matilda, future empress of the Holy Roman Empire and later, Queen of England.
• St. Peter of Tarentaise.
• Adelicia of Brabant, second queen of English king Henry I.

These people died in 1102:

• Ladislaus Herman, Duke of Poland. He is succeeded by his son, Boleslaus III.
• Leopold II, Margrave of Austria
• French prince Hugh the Great, son of Henry II and brother of Philip I, at Tarsus while on the First Crusade.
• Antipope Theodoric, bishop of Albano, in captivity at the monastery of La Cava in Salerno. Antipope Aleric is elected to succeed him.
• Ebul Kasim, Seljuk Bey, under Sultan Alp Arslan, of the Saltuk Principality in eastern Anatolia.
• Saint Theodmarus of Bavaria.

1101 - 1102 - 1103

12th century