1181

Events

 * defeats the and assumes control of the.
 * The word first used by chronicler  to describe the inhabitants of,.
 * — succeeds  as the 171st.
 * Chinese and Japanese astronomers observe what has since come to be understood as a . One of only eight supernovae in the observed in recorded history, it appeared in the   and was visible in the  night sky for about 185 days.  The radio source  is thought to be the remnant from this event.
 * Beginning of the era in . The era is marked by.

Births

 * — Saint, Italian founder of the Order (d. )
 * (d. )

Deaths

 * — of Japan (b. )
 * —, English politician (b. )
 * — (b. c. –)
 * , Japanese warlord (b. )
 * , ruler of Syria (b. )
 * , ruler of Syria (b. )