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.
SINCE WORLD WAR II. America has been in 19 wars since World War II, but we will list the death toll from three of the bloodiest conflicts: The Korean War, The Vietnam War and wars in Iraq, Afghanistan and Pakistan. The total death toll of people killed by American troops in all these wars put together is over 9 million.