In the nation
In 1787, the Constitutional Convention was convened in Philadelphia after enough delegates had shown up for a quorum.
In 1844, the first telegraphed news dispatch, sent from Washington, D.C., to Baltimore, appeared in the Baltimore "Patriot."
In 1935, Babe Ruth hit the 714th and final home run of his career, for the Boston Braves, in a game against the Pittsburgh Pirates.
In 1961, President Kennedy asked the nation to work toward putting a man on the moon by the end of the decade.
In 1968, the Gateway Arch, part of the Jefferson National Expansion Memorial in St. Louis, was dedicated.
In 1999, a bipartisan congressional report said China's two-decade effort to steal U.S. weapons technology continued well into the Clinton administration. President Clinton responded that his administration was already "moving aggressively to tighten security." Independent Counsel Kenneth Starr decided against re-prosecuting Whitewater figure Susan McDougal and Julie Hiatt Steele, a witness in the Monica Lewinsky investigation, after both their trials ended with hung juries.
In 2003, Gil de Ferran won the Indianapolis 500.
In the world
In 1810, Argentina began its revolt against Spain.
In 1895, playwright Oscar Wilde was convicted of a morals charge in London; he was sentenced to prison.
In 1946, Transjordan (now Jordan) became a kingdom, as it proclaimed its new monarch, King Abdullah Ibn Ul-Hussein.