August 3rd

Former Egyptian President Hosni Mubarak denied all charges against him as he went on trial for alleged corruption and complicity in the deaths of protesters who'd helped drive him from power.
Hosni Mubarak
Coup in Mauritania. A military coup replaced long-time president Maaouya Ould Sid'Ahmed Taya. Colonel Ely Ould Mohamed Vall took over the transitional government until elections were held in 2005.
2005 Mauritanian coup d'état
Stephen G. Breyer was sworn in as a Supreme Court justice.
Stephen Breyer
The Iran-Contra congressional hearings ended with none of the 29 witnesses tying President Ronald Reagan directly to the diversion of arms-sales profits to Nicaraguan rebels.
Daniel Ortega
U.S. air traffic controllers went on strike, despite a warning from President Ronald Reagan that they would be fired.
Ronald Reagan
U.S. Senate ratifies the Anti-Ballistic Missile Treaty.
Anti-Ballistic Missile Treaty
Niger gains its independence from France. The West African country became a French colony in the early 20th century. Hamani Diori became the first president of the country.
Independence Day (Niger)
The nuclear-powered submarmine Nautilus became the first vessel to cross the North Pole underwater.
USS Nautilus (SSN-571)
The National Basketball Association was formed.
National Basketball Association
Whittaker Chambers, a former Communist, publicly accused former State Department official Alger Hiss of having been part of a Communist underground, a charge Hiss denied.
Alger Hiss
World's first theme park opens its doors in in Santa Claus, Indiana, USA. Santa Claus Land is now known as Holiday World & Splashin' Safari.
Holiday World & Splashin' Safari
Gen. George S. Patton slapped a private at an army hospital in Sicily, accusing him of cowardice.
George S. Patton slapping incidents
Adolf Hitler merges the offices of German Chancellor and President, declaring himself "Führer" (leader).
Calvin Coolidge was sworn in as the 30th president of the United States, one day after President Warren G. Harding died of a heart attack.
Calvin Coolidge
At the outbreak of World War I, British Foreign Secretary Edward Grey remarked: "The lamps are going out all over Europe; we shall not see them lit again in our lifetime.".
The lamps are going out
Firestone Tire and Rubber Company is founded. The American tire company was founded by Harvey Samuel Firestone in Akron, Ohio. In 1988, the company was taken over by Japan's Bridgestone Corporation.
Firestone Tire and Rubber Company
David Fabricius discovers light variation of Mira (1st variable star).
Christopher Columbus sets sail on his first voyage with three ships, Santa María, Pinta and Niña from Palos de la Frontera, Spain for the "Indies".
Voyages of Christopher Columbus