1. On this day in 1751-The Theresian Military Academy was founded as the first military academy in the world.
2. On this day in 1782 – The Montgolfier brothers' first balloon lifted off on its first test flight.
3. On this day in 1902 – The Commercial Pacific Cable Company laid the first Pacific telegraph cable, from San Francisco to Honolulu.
4. On this day in 1903 – The Wright brothers made their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
5. On this day in 1911 – Roald Amundsen 's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, became the first to reach the South Pole.
6. On this day in 1946 – The United Nations General Assembly voted to establish its headquarters in New York.
7. On this day in 1962 – NASA's Mariner 2 became the first spacecraft to fly by Venus.