On July 1, 1863, the Civil War Battle of Gettysburg began in Pennsylvania.
In 1867 Canada became a self-governing dominion of Great Britain as the British North America Act took effect.
In 1910 the original Comiskey Park was officially opened, with the White Sox losing 2-0 to the St. Louis Browns.
In 1943 “pay-as-you-go” income tax withholding began for American wage earners.
In 1944 delegates from 44 countries began meeting at Bretton Woods, N.H., where they agreed to establish the International Monetary Fund and the World Bank.
In 1963 the U.S. Post Office inaugurated its five-digit ZIP codes.
In 1968 the U.S., Britain, the Soviet Union and 58 other nations signed a treaty to curb the spread of nuclear weapons.
In 1980 “O Canada” was officially proclaimed the Canadian national anthem.
In 1994 PLO Chairman Yasser Arafat drove from Egypt into Gaza, returning to Palestinian land after 27 years in exile.
In 1997 Hong Kong reverted to Chinese rule after 156 years as a British colony.
In 2000 Vermont’s civil unions law went into effect, granting gay couples most of the rights, benefits and responsibilities of marriage.
