ON JUNE 20, 1921, U.S. Rep. Alice Mary Robertson, R-Okla., became the first woman to preside over a session of the House of Representatives.
In 1782, Congress approved the Great Seal of the United States, featuring the emblem of the bald eagle.
In 1837, Queen Victoria acceded to the British throne following the death of her uncle, King William IV.
In 1863, West Virginia became the 35th state.
In 1893, a jury in New Bedford, Massachusetts, found Lizzie Borden not guilty of the ax murders of her father and stepmother.
In 1943, race-related rioting erupted in Detroit; federal troops were sent in two days later to quell the violence that resulted in more than 30 deaths.
In 1967, boxer Muhammad Ali was convicted in Houston of violating Selective Service laws by refusing to be drafted and was sentenced to five years in prison. (Ali's conviction was ultimately overturned by the U.S. Supreme Court.)
In 1975, Steven Spielberg's shark thriller "Jaws," starring Roy Scheider, Robert Shaw and Richard Dreyfuss (not to mention a mechanical shark nicknamed "Bruce") was released by Universal Pictures.
In 1977, the first oil began flowing through the recently completed Trans-Alaska Pipeline from Prudhoe Bay to Valdez.
In 1988, the U.S. Supreme Court unanimously upheld a New York City law making it illegal for private clubs with more than 400 members to exclude women and minorities.
In 1990, South African black nationalist Nelson Mandela and his wife, Winnie, arrived in New York City for a ticker-tape parade in their honor as they began an eight-city U.S. tour.
In 1994, former airman Dean Allen Mellberg went on a shooting rampage at Fairchild Air Force Base near Spokane, Washington, killing four people and wounding 22 others before being killed by a military police sharpshooter.
In 2001, Houston resident Andrea Yates drowned her five children in the family bathtub, then called police. (Yates was later convicted of murder, but had her conviction overturned; she was acquitted by reason of insanity in a retrial.)