Acting on a tip from an unknown Dutch collaborator, the Gestapo discovers and arrests Anne Frank and her family in their secret hiding place. Anne's father, Otto Frank is the only one of the ten people arrested that day to survive the war. After the war he published his daughter's diary, which became an international best seller.
August 5, 1944 : The Cowra Breakout occurred, which is said to the the largest prison breakout in history, where at least 1104 Japanese prisoners of war attempted to escape from the POW camp near Cowra, New South Wales, Australia.
August 9, 1945: Fat Man, the second of two nuclear weapons used in warfare, is detonated over Nagasaki, Japan, destroying the city and killing 39,000 people at once.
August 15, 1977: Jerry R. Ehman detects the Wow! signal, a radio signal, while working on a SETI project at the Big Ear radio telescope of Ohio State University. It lasted for 72 seconds and seems to be of non-terrestrial and non-Solar System origin.
September 11, 2001;
Terrorists hijack four passenger planes and use them in suicide attacks that destroyed the World Trade Centre in New York City and damaged the Pentagon in Washington D.C. A fourth Plane crashed into a Pennsylvania field as the result of an attempt by the passengers to retake the plane after they found out what happened to the other three planes. Thousands lost their lives that day and will never be forgotten.