What day of the week was August 14, 1183?

The day of the week August 14th, 1183 fell on was a Sunday.

Taira no Munemori and the Taira clan take the young Emperor Antoku and the three sacred treasures and flee to western Japan to escape pursuit by the Minamoto clan (traditional Japanese date: Twenty-fifth Day of the Seventh Month of the Second Year of Juei).