1120

Years: 1117 1118 1119 - 1120 - 1121 1122 1123

Decades: 1090s 1100s 1110s - 1120s - 1130s 1140s 1150s

Centuries: 11th century - 12th century - 13th century

Events

• Welcher of Malvern creates a system of measurement for the earth using degrees, minutes, and seconds of latitude and longitude.
• Construction begins on Llandaff Cathedral in Wales
• November 25 - Wreck of the White Ship in the English Channel

Births

• Louis VII of France (d. 1180)
• Manuel I Comnenus
• Ioveta of Bethany

Deaths

• November 25 - William Adelin, son of Henry I of England (died in the White Ship wreck)