Editing 1100 (section)

== Births ==
* [[May 19]] – [[Judith of Bavaria, Duchess of Swabia|Judith of Bavaria]], duchess of [[Duchy of Swabia|Swabia]] (d. [[1130]])
* [[May 23]] – [[Emperor Qinzong|Qin Zong]], Chinese emperor (d. [[1161]])
* [[Achard of Saint Victor]], Norman bishop (d. [[1171]])
* [[Pope Adrian IV|Adrian IV]], pope of the [[Catholic Church]] (d. [[1159]])
* [[Albert the Bear|Albert I]] (the Bear), margrave of [[Margraviate of Brandenburg|Brandenburg]] (d. [[1170]])
* [[Pope Alexander III|Alexander III]], pope of the Catholic Church (d. [[1181]])
* [[Anselm of Havelberg]], German bishop (approximate date)
* [[Arnold I of Cologne|Arnold I]], archbishop of [[Roman Catholic Archdiocese of Cologne|Cologne]] (approximate date)
* [[Bruno II von Berg|Bruno II of Berg]], archbishop of Cologne (d. [[1137]])
* [[Biddenden Maids|Eliza and Mary Chulkhurst]], English [[conjoined twins]] (d. [[1134]])
* [[Elvira of Castile, Queen of Sicily|Elvira of Castile]], queen consort of [[Kingdom of Sicily|Sicily]] (approximate date)
* [[Gilbert de Clare, 1st Earl of Pembroke|Gilbert de Clare]], [[Earl of Pembroke|1st Earl of Pembroke]] (d. [[1148]])
* [[Héloïse]] d'Argenteuil, French [[abbess]] and scholar (d. [[1162]])
* [[Herman of Carinthia]], German astronomer (d. [[1160]])
* [[Hillin of Falmagne]], archbishop of [[Roman Catholic Diocese of Trier|Trier]] (d. [[1169]])
* [[Jabir ibn Aflah]], Arab [[Astronomy in the medieval Islamic world|astronomer]] and [[Mathematics in medieval Islam|mathematician]] (d. [[1150]])
* [[John of Meda]], Italian monk and [[abbot]] (d. 1159)
* [[Muhammad al-Idrisi]], Almoravid [[Geography and cartography in medieval Islam|geographer]] (d. [[1165]])
* [[Owain Gwynedd]], Welsh king of [[Kingdom of Gwynedd|Gwynedd]] (approximate date)
* [[Rabbeinu Tam|Jacob ben Meir Tam]], French Jewish [[rabbi]] (d. 1171)
* [[Robert de Beaumont, 2nd Earl of Leicester|Robert de Beaumont]], [[Earl of Leicester|2nd Earl Leicester]] (d. [[1168]])
* [[Robert de Ferrers, 2nd Earl of Derby|Robert de Ferrers]], [[Earl of Derby|2nd Earl of Derby]] (d. 1162)
* [[Robert of Melun]], bishop of [[Diocese of Hereford|Hereford]] (d. [[1167]])
* [[Robert of Newminster]], English abbot (d. 1159)
* [[Teobaldo Roggeri]], Italian [[Shoemaking|shoemaker]] (d. 1150)