- Industrial Revolution(IR) 1750-1850
- American Revolution 1775-83
- French Revolution 1789-99-1815
- Unification of Germany and Italy 1815-71
- World Before the World Wars 1850-1914
- World War I 1914-18
- Russian Revolution 1917
- Inter War Period and Dictators 1919-39
- WW II 1939-45
- Cold War and Disintegration of USSR 1945-91
- China and Communism 1850-1950
- Colonization and Decolonization of Africa