What day was it August 17 1968?

It was a Saturday.

17th August in History:

1812 - Napoleon Bonaparte defeats the Russians in the Battle of Smolensk

1833 - Royal William from Canada is the first steam ship to cross the Atlantic on its own power

1943 - Allied forces conquer Sicily

1945 - Indonesia declares independence from Japan. Thanks allies for making it possible to do so by forcing Japan to surrender

1978 - First Atlantic crossing in a balloon

1988 - Pakistani President Zia-ul-Haq is killed in an airplane crash suspected of being an assassination.

1998 - US President Bill Clinton admits to his affair with White House intern Monica Lewinsky