Russia 1855-1917 Complete?

I've finished my notes for Russia 1855-1917 and just have to finish the 2 questions for 1917 in the AQA Book. I'm pretty confident that I have a grasp of the broad period now, although I need to do some more work on the two revolutions of 1917 (and/or hope that a question on them doesn't come up in the exam!). I also need to go back through my notes and try and condense them into a sheet which shows the major developments of the era.