Here is a list of things which happened on the 15th of August over the years:
Panama City, Panama, is founded. (1519)
A male servant of American architect Frank Lloyd Wright sets fire to the living quarters of the architect’s Wisconsin home, Taliesin, murders seven people and burns the living quarters to the ground. (1914)
The Panama Canal opens to traffic with the transit of the cargo ship Ancon. (1914)
Allied forces landed in southern France during World War II (1944)
World War II: Korean Liberation Day (1945)
India and Pakistan became independent after some 200 years of British rule. (1947)
The Republic of Korea (South Korea) was proclaimed. (1948)
President Richard Nixon completes the break from the gold standard by ending convertibility of the United States dollar into gold by foreign investors. (1971)
Vietnam War: The United States bombing of Cambodia ends. (1973)
The Big Ear, a radio telescope operated by Ohio State University as part of the SETI project, receives a radio signal from deep space; the event is named the “Wow! signal” from the notation made by a volunteer on the project. (1977)
A car bomb in Omagh, Northern Ireland, killed 29 people and injured 370. It was the single deadliest act of violence in 30 years of sectarian violence in Northern Ireland. (1998)
Astronomers announced the discovery of the first solar system outside our own – two planets orbiting a star in the Big Dipper. (2001)
Georgian President Mikhail Saakashvili grudgingly signed a U.S.-backed truce with Russia, even as he denounced the Russians as invading barbarians and accused the West of all but encouraging them to overrun his country. (2008)