The first military academy in the world, the Theresian Military Academy, was founded in Austria on this day in 1751.
Did you know that:
• Artificial pearls made of gypsum pellets covered with fish scales were first manufactured by M. Jacquin in Paris on this day in 1656
• David Wilkinson patented a nut & bolt machine on this day in 1798
• Vanessa Hudgens is an American actress and singer born on this day in 1988