On September 15.1916 . World War I: Tanks are used for the first time in battle, at the Battle of the Somme. source
On September 15.1916 . World War I: Tanks are used for the first time in battle, at the Battle of the Somme.
On September 16.1863 ; Robert College, in Istanbul, the first American educational institution outside the United States, is founded by Christopher Robert, an American philanthropist. source
On September 16.1863 ; Robert College, in Istanbul, the first American educational institution outside the United States, is founded by Christopher Robert, an American philanthropist.
On September 16.1956 ; TCN-9 Sydney is the first Australian television station to commence regular broadcasts. source
On September 16.1956 ; TCN-9 Sydney is the first Australian television station to commence regular broadcasts.
On September 16.1959 ; The first successful photocopier, the Xerox 914, is introduced in a demonstration on live television from New York City. source
On September 16.1959 ; The first successful photocopier, the Xerox 914, is introduced in a demonstration on live television from New York City.
On September 17.1908 ; The Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes, killing Selfridge, who becomes the first airplane fatality. source
On September 17.1908 ; The Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes, killing Selfridge, who becomes the first airplane fatality.
On September 18.1793 ;The first cornerstone of the Capitol building is laid by George Washington. source
On September 18.1793 ;The first cornerstone of the Capitol building is laid by George Washington.
On September 18.1810 ; First Government Junta in Chile. Though supposed to rule only in the absence of the king, it is in fact the first step towards independence from Spain, and is commemorated as such. source
On September 18.1810 ; First Government Junta in Chile. Though supposed to rule only in the absence of the king, it is in fact the first step towards independence from Spain, and is commemorated as such.
On September 18.1837 ; Tiffany and Co. (first named Tiffany & Young) is founded by Charles Lewis Tiffany and Teddy Young in New York City. The store is called a "stationery and fancy goods emporium". source
On September 18.1837 ; Tiffany and Co. (first named Tiffany & Young) is founded by Charles Lewis Tiffany and Teddy Young in New York City. The store is called a "stationery and fancy goods emporium".
On September 19.1863 ; American Civil War: The first day of the Battle of Chickamauga, in northwestern Georgia, the bloodiest two-day battle of the conflict, and the only significant Confederate victory in the war's Western Theater. source
On September 19.1863 ; American Civil War: The first day of the Battle of Chickamauga, in northwestern Georgia, the bloodiest two-day battle of the conflict, and the only significant Confederate victory in the war's Western Theater.
On September 19.1879 ; The Blackpool Illuminations are switched on for the first time. source
On September 19.1879 ; The Blackpool Illuminations are switched on for the first time.
On September 19.1957 ; First American underground nuclear bomb test (part of Operation Plumbbob). source
On September 19.1957 ; First American underground nuclear bomb test (part of Operation Plumbbob).
On September 20.1792 ; French troops stop allied invasion of France, during the War of the First Coalition at Valmy. source
On September 20.1792 ; French troops stop allied invasion of France, during the War of the First Coalition at Valmy.
On September 20.1971 ; Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific. source
On September 20.1971 ; Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific.
On September 22.1955 ; In the United Kingdom, the television channel ITV goes live for the first time. source
On September 22.1955 ; In the United Kingdom, the television channel ITV goes live for the first time.
On September 23.2002 ; The first public version of the web browser Mozilla Firefox ("Phoenix 0.1") is released. source
On September 23.2002 ; The first public version of the web browser Mozilla Firefox ("Phoenix 0.1") is released.
On September 24.1935 ; Earl and Weldon Bascom produce the first rodeo ever held outdoors under electric lights at Columbia, Mississippi. source
On September 24.1935 ; Earl and Weldon Bascom produce the first rodeo ever held outdoors under electric lights at Columbia, Mississippi.
On September 25.1956 ; TAT-1, the first submarine transatlantic telephone cable system, is inaugurated. source
On September 25.1956 ; TAT-1, the first submarine transatlantic telephone cable system, is inaugurated.
On September 26.1960 ; In Chicago, the first televised debate takes place between presidential candidates Richard M. Nixon and John F. Kennedy. source
On September 26.1960 ; In Chicago, the first televised debate takes place between presidential candidates Richard M. Nixon and John F. Kennedy.
On September 27.1854 ; The steamship SS Arctic sinks with 300 people on board. This marks the first great disaster in the Atlantic Ocean. source
On September 27.1854 ; The steamship SS Arctic sinks with 300 people on board. This marks the first great disaster in the Atlantic Ocean.
On September 27.1941 ; The SS Patrick Henry is launched becoming the first of more than 2,700 Liberty ships. source
On September 27.1941 ; The SS Patrick Henry is launched becoming the first of more than 2,700 Liberty ships.
On September 27.1949 ; The first Plenary Session of the National People's Congress approves the design of the Flag of the People's Republic of China. source
On September 27.1949 ; The first Plenary Session of the National People's Congress approves the design of the Flag of the People's Republic of China.
On September 28.1889 ; The first General Conference on Weights and Measures (CGPM) defines the length of a meter as the distance between two lines on a standard bar of an alloy of platinum with ten percent iridium, measured at the melting point of ice. source
On September 28.1889 ; The first General Conference on Weights and Measures (CGPM) defines the length of a meter as the distance between two lines on a standard bar of an alloy of platinum with ten percent iridium, measured at the melting point of ice.
On September 28.1892 ; The first night game for American football takes place in a contest between Wyoming Seminary and Mansfield State Normal. source
On September 28.1892 ; The first night game for American football takes place in a contest between Wyoming Seminary and Mansfield State Normal.
On September 28.1924 ; First round-the-world flight completed. source
On September 28.1924 ; First round-the-world flight completed.
On September 28.1972 ; Paul Henderson scores the series-winning goal for Canada in the final minute of the final game of the ice hockey Summit Series between Canada and the Soviet Union. source
On September 28.1972 ; Paul Henderson scores the series-winning goal for Canada in the final minute of the final game of the ice hockey Summit Series between Canada and the Soviet Union.
On September 28.2008 ; SpaceX launches the first private spacecraft, the Falcon 1 into orbit. source
On September 28.2008 ; SpaceX launches the first private spacecraft, the Falcon 1 into orbit.
On September 29.1885 ; The first practical public electric tramway in the world is opened in Blackpool, England. source
On September 29.1885 ; The first practical public electric tramway in the world is opened in Blackpool, England.
On September 30.1915 ; A Serbian Army private becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire. source
On September 30.1915 ; A Serbian Army private becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
On September 30.1939 ; NBC broadcasts the first televised American football game between the Waynesburg Yellow Jackets and the Fordham Rams. Fordham won the game 34–7. source
On September 30.1939 ; NBC broadcasts the first televised American football game between the Waynesburg Yellow Jackets and the Fordham Rams. Fordham won the game 34–7.
On September 30.1968 ; The Boeing 747 is rolled out and shown to the public for the first time at the Boeing Everett Factory. source
On September 30.1968 ; The Boeing 747 is rolled out and shown to the public for the first time at the Boeing Everett Factory.