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In 1867, the U.S. Senate approved the Treaty of Cession, another step in the acquisition of Alaska.
In 1969, Ted Kennedy arrived in Anchorage International Airport for a three-day tour of Alaska.
In 1979, Sean McGuire finished his 10-month, 7,000-mile walk from the Yukon River to Key West Florida, in support of Alaska wilderness.
In the nation
In 1682, French explorer Robert La Salle reached the Mississippi River.
In 1865, Confederate Gen. Robert E. Lee surrendered his army to Union Gen. Ulysses S. Grant at Appomattox Court House in Virginia.
In 1939, mezzo-soprano Marian Anderson performed a concert for an audience of 75,000 people at the Lincoln Memorial in Washington, D.C., after she was denied the use of the city's Constitution Hall by the Daughters of the American Revolution because she was black.
In the world
In 1940, Germany invaded Denmark and Norway.
In 1942, American and Philippine defenders on Bataan capitulated to Japanese forces.