In 1778, Captain James Cook discovered Turnagain Arm while looking for the Northwest Passage.
In 1899, the Harriman Scientific Expedition left Seattle for Alaska.
In 1943, American forces secured the Aleutian island of Attu from the Japanese during World War II.
In the nation
In 1539, Spanish explorer Hernando de Soto landed in Florida.
In 1854, the territories of Nebraska and Kansas were established.
In 1883, 12 people were trampled to death when a rumor that the recently opened Brooklyn Bridge was in imminent danger of collapsing triggered a stampede.
In 1922, the Lincoln Memorial was dedicated in Washington, by Chief Justice William Howard Taft.
In 1958, unidentified soldiers killed in World War II and the Korean conflict were buried at Arlington National Cemetery.
In 1971, the American space probe Mariner Nine blasted off from Cape Kennedy, Florida, on a journey to Mars.
In 1993, Emerson Fittipaldi won the 77th Indianapolis 500, driving at an average speed of 157.207 mph.
In 2002, A solemn, wordless ceremony marked the end of the agonizing cleanup at Ground Zero in New York, 8 1/2 months after September 11. Nine climbers fell into a crevasse near the summit of Oregon's Mount Hood; three died.
In the world
In 1431, Joan of Arc, condemned as a heretic, was burned at the stake in Rouen, France.
In 1982, Spain became NATO's 16th member.
In 1996, Britain's Prince Andrew and Sarah Ferguson were granted an uncontested decree ending their 10-year marriage.
In 1998, Northern Afghanistan was rocked by a powerful earthquake believed to have killed up to 5,000 people. Pakistan set off another nuclear blast.