Here is a list of things which happened on the 1st of August over the years:
Ferdinand II of Aragon and Isabella I of Castile drive the Jews out of Spain. (1492)
Christopher Columbus becomes the first European to visit Venezuela. (1498)
First African slaves arrive in Jamestown, Virginia. (1619)
The element oxygen is discovered for the third (and last) time. (1774)
The first U.S. census was completed, showing a population of nearly 4 million people. (1790)
A new London Bridge opens. (1831)
Colorado is admitted as the 38th U.S. state. (1876)
The United States buys the rights to the Panama Canal from France. (1902)
Germany declares war on Russia at the opening of World War I. The Swiss Army mobilises because of World War I (1914)
The first Jeep is produced. (1941)
Anne Frank makes the last entry in her diary. (1944)
Warsaw Uprising against the Nazi occupation breaks out in Warsaw, Poland. (1944)
The United States and Canada form the North American Air Defense Command (NORAD) (1957)
Charles Whitman kills 15 people at The University of Texas at Austin before being killed by the police. (1966)
Purges of intellectuals and imperialists becomes official People’s Republic of China policy at the beginning of the Cultural Revolution. (1966)
Israel annexes East Jerusalem. (1967)
Alabama Supreme Court Chief Justice Roy Moore has a Ten Commandments monument installed in the judiciary building, leading to a lawsuit to have it removed and his own removal from office. (2001)
President George W. Bush used a recess appointment to install John Bolton as ambassador to the United Nations, bypassing the Senate after a testy standoff with Democrats. (2005)
The I-35W Mississippi River Bridge spanning the Mississippi River in Minneapolis, Minnesota, collapses during the evening rush hour. (2007)
Start of the events leading to the 2008 K2 disaster. (2008)