Hi I think that the most important event in russia's history is the russian revouloution. The people first started complaining of not having bread to eat. Then the czar started killing the people who were striking with machine guns. The soilders then turned back on their commanders for making them kill innocent lives. They then made the czar not the ruler anymore, and then became a country without a czar. I think this is important because if the people havent done that they still might have a czar today.