In-Soc By Tom4 Period: 1000 BCE to 2021 The first invention of air transportation Period: 1765 to 1791 American Revolution Period: 1914 to 1921 World War I Period: 1918 to 1933 Natzi Period: 1922 to 1991 Soviet Union Period: 1939 to 1945 World War II 1957 Fist dog to space (laika) 1961 First person to go to space (Yuri Gagarin) 2001 9/11 attack Period: 2019 to 2023 Covid - 19