1175

Millennium:	2nd millennium
Centuries:	11th century – 12th century – 13th century
Decades:	1140s  1150s  1160s  – 1170s –  1180s  1190s  1200s
Years:	1172 1173 1174 – 1175 – 1176 1177 1178

1175 by topic
Arts, history, and science
Archaeology Architecture Art Literature Poetry Music Science
Countries
Lists of leaders
State leaders Colonial governors Religious leaders
Birth and death categories
Births Deaths
Establishments and disestablishments categories
Establishments Disestablishments
Works category
Works

1175 Media

• 

  William of Tyre (c. 1130–1186)

1175 (MCLXXV) was a common year starting on Wednesday of the Julian calendar, the 1175th year of the Common Era (CE) and Anno Domini (AD) designations, the 175th year of the 2nd millennium, the 75th year of the 12th century, and the 6th year of the 1170s decade. As of the start of 1175, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

• Ruaidri Ua Conchobair, last High King of Ireland, submits to Henry II as vassal of Ireland with the Treaty of Windsor
• Ly Cao Ton becomes ruler of Vietnam
• William of Tyre becomes archbishop of Tyre
• Massacre of Abergavenny ends with several noblemen dead under William de Braose
• Vordingborg Castle is finished.

Births

• Andrew II of Hungary, King of Hungary (died 1235)
• Frederick I of Austria (died 1198)
• Robert Grosseteste, English statesman, theologian and bishop (approximate date; died 1253)
• Fibonacci, Italian mathematician (approximate date; died 1250)
• Otto IV, Holy Roman Emperor (died 1218)
• Roger III of Sicily (died 1194)
• Michael Scot, Scottish mathematician and astrologer (died 1232)

Deaths

• Mleh of Armenia, ruler of the Armenian Kingdom of Cilicia
• Judyta, wife of Ladislaus II of Hungary and Otto I von Brandenburg (born 1132)