Wars in World History By percy888 Period: Jan 1, 1750 to Jan 1, 1800 Wars Jan 1, 1754 Seven Years' War Apr 20, 1792 War of the First Coalition Period: Jan 1, 1800 to Jan 1, 1850 Wars May 18, 1803 Napoleonic War Jun 24, 1812 French Invasion of Russia Period: Jan 1, 1850 to Jan 1, 1900 Wars Oct 1, 1853 Crimean War Nov 1, 1864 Bhutan War Period: Jan 1, 1900 to Jan 1, 1950 Wars Jul 28, 1914 World War I Sep 1, 1939 World War II