On Oct. 22, 2012, cyclist Lance Armstrong was formally stripped of his seven Tour de France victories and received a lifetime ban from Olympic sports after the International Cycling Union chose not to appeal doping charges against Armstrong by the United States Anti-Doping Agency.

On Oct. 4, 1957, the Space Age began as the Soviet Union launched Sputnik 1, the first artificial satellite, into orbit.

On Sept. 12, 2013, Voyager 1, launched 36 years earlier, became the first man-made spacecraft ever to leave the solar system.

On Aug. 13, 1961, on what would become known as Barbed Wire Sunday, East Germany sealed the border between Berlin's eastern and western sectors before building a wall that would divide the city for the next 28 years.

Four astronauts are on their way to the International Space Station after being sidelined by Boeing's Starliner trouble and other issues. SpaceX launched the U.S.-Japanese-Russian crew from Florida on Friday. They should reach the space station this weekend, replacing colleagues who launched in March as fill-ins for NASA's two stuck astronauts. Leading the taxi flight for NASA is Zena Cardman. She was yanked from a SpaceX flight last year to make room for Starliner's test pilots whose capsule was judged too dangerous to fly. Two of her crewmates were also training on Starliner, which remains grounded until next year.

On July 24, 1969, the Apollo 11 astronauts — two of whom had been the first humans to set foot on the moon — splashed down safely in the Pacific.

On July 20, 1969, astronauts Neil Armstrong and Edwin "Buzz" Aldrin became the first men to walk on the moon after reaching its surface in their Apollo 11 lunar module.

On July 17, 1955, Disneyland opened in Anaheim, California, after its $17 million, yearlong construction; the park drew a million visitors in its first 10 weeks.