What Happened in 1500

Leonardo da Vinci Sketches the Design for a Machine Gun

In Leonardo's notebooks there is an array of war machines which includes a tank to be propelled by two men powering crank shafts. Although the... Read more

Porcelain Tower of Nanjing Completed

The Porcelain Tower (or Porcelain Pagoda) of Nanjing (Chinese: 南京陶塔; pinyin: Nánjīng Táotǎ), also known as Bao'ensi (meaning "Temple of... Read more