On July 5, 1687, Isaac Newton first published his Principia Mathematica, a three-volume work setting out his mathematical principles.
In 1811, Venezuela became the first South American country to declare independence from Spain.
In 1935, President Franklin D. Roosevelt signed the National Labor Relations Act.
In 1947, Larry Doby made his debut with the Cleveland Indians, becoming the first Black player in the American League three months after Jackie Robinson broke the color barrier in the National League.
In 1948, Britain’s National Health Service Act went into effect, providing publicly-financed medical and dental care.
In 1971, President Richard Nixon certified the 26th Amendment to the U.S. Constitution, which lowered the minimum voting age from 21 to 18.
In 1975, Arthur Ashe defeats the heavily favored Jimmy Connors to become the first Black man ever to win Wimbledon, the most coveted championship in tennis.