July 20 (UPI) -- On this date in history:
In 1859, American baseball fans were charged an admission fee for the first time. About 1,500 spectators each paid 50 cents to see Brooklyn play New York.
In 1881, five years after U.S. Army Gen. George A. Custer's defeat at the Battle of Little Bighorn, Sioux leader Sitting Bull surrendered to the Army, which promised amnesty for him and his followers.
In 1945, the U.S. flag was raised over Berlin as the first U.S. troops moved in to take part in the post-World War II occupation.
In 1951, while entering a mosque in the Jordanian sector of east Jerusalem, King Abdullah of Jordan was assassinated by a Palestinian nationalist.
In 1968, the first Special Olympics Games were contested at Soldier Field in Chicago.
In 1976, the Viking 1 lander, an unmanned U.S. planetary probe, became the first spacecraft to successfully land on the surface of Mars.
In 1985, treasure hunter Mel Fisher located a Spanish galleon sunk by a 1622 hurricane off Key West, Fla. It contained $400 million worth of treasure.
In 1993, White House Deputy Counsel Vince Foster was found shot to death in a park in northern Virginia. His death was ruled a suicide.
In 2005, the U.S. Justice Department activated its online National Sex Offender Public Registry, linking the registries of 22 states.
In 2011, International Tribunal officials announced the arrest of Goran Hadzic, the last Serbian leader wanted for war crimes.
In 2012, a gunman set off tear gas grenades and opened fire at a midnight screening of The Dark Knight Rises at a theater in Aurora, Colo., killing 12 people and wounding 58. The accused killer, James E. Holmes, later pleaded not guilty by reason of insanity. In 2015, he was convicted on multiple counts of murder.
In 2013, Helen Thomas, UPI White House reporter through the administrations of 10 presidents, died at age 92. President Bill Clinton called Thomas "a symbol of everything American journalism can and should be -- the embodiment of fearless integrity, fierce commitment to accuracy, the insistence of holding government accountable." Thomas left the news agency in 2000 and became a columnist for Hearst Newspapers.
In 2015, Cuba and the United States restored full diplomatic relations, with the reopening of reciprocal embassies in Havana and Washington.