10 August

10 August was a date.
==Holidays and observances==
10 August was the date of the Venusian Aikido Championship finals. (PROSE: )
==Events==
Between 9 and 10 August 1969, followers of Charles Manson murdered actor Sharon Tate and others in what would become known as the Helter Skelter killings. The Seventh Doctor theorised Huitzilin influenced the killings after his plot to have John Lennon killed in London had failed. (PROSE: )