On This Day

What Happened on August 4, 1181

Historical Events

  • Supernova SN 1181 in the constellation Cassiopeia observed by Chinese and Japanese astronomers, lasting until August 6
List of Years

About August 4, 1181

Day of the Week: Friday
How Long Ago? 839 years, 3 months and 29 days
Leap Year: No

Star Sign: Leo