Czar Nicholas II and his wife. After Revolution of 1905 he failed to solve Russia's basic political, economic and social problems, this sparked eruptions. March 1917 the first of two revolutions toppled the Romanov dynasty and started more radical changes.
Bloodiest War in American History: Not the Civil War -- World War Two. Although more American died in the Civil War, more Americans were killed in WW2. It's a pedantic technicality perhaps, but the Civil War was America's deadliest war, World War II its bloodiest.
10 Deadliest American Wars. The Iraq War just cracked the top 10, passing the Spanish American War, in Total U.S. Deaths. Iraq is 7th on the list if you just count combat deaths and not disease, or accidents. 1. Civil War (1861-65): 618,222.