Spring –Bohemond I, prince of Antioch, marries Constance of France (daughter of King Philip I) in the cathedral of Chartres. Philip agrees to marry his second daughter, the 9-year-old Cecile of France, to Tancred (nephew of Bohemond). Meanwhile, Bohemond mobilises an expeditionary force (some 30,000 men) to begin a campaign against Emperor Alexios I.[1]
August 7– Emperor Henry IV escapes his captors at Ingelheim. He enters into negotiations at Cologne with English, French and Danish noblemen, and begins to collect an army to oppose his son Henry V but dies at Liège after a 49-year reign. Henry leads a successful expedition against Count Robert II of Flanders and is forced to swear his allegiance to him.
Autumn – Bohemond I returns to Apulia (Southern Italy) with an expeditionary force to prepare an offensive against the Byzantines. He is accompanied by his newlywed wife Constance (who is pregnant by him) and followers.
February 2– A comet (the Great Comet of 1106) is seen and reported by several civilisations around the world. Lasting for 40 days, the comet grows steadily in brightness until finally fading away.[4]
Muir, Tom (2005). Orkney in the Sagas: The Story of the Earldom of Orkney as told in the Icelandic Sagas. Kirkwall: The Orcadian. p.63. ISBN0954886232.