Russian history help?

Question: Russian history help!?

I've done my whole worksheet and I'm stuck on this ONE question
If you don't want to give away the answers, can I have the years they happened!? :\

Arrange these events in the order they happened

-the defeat of the Mongols by Ivan IV
-the establishment of a Russian state based on Kiev by Oleg
-Vladimir's conversation to Orthodox Christianity
-the Mongol conquest of KievWww@QuestionHome@Com

Best Answer - Chosen by Asker:

1!. Last (about 13th century)
2!. First
3!. Second (Vladimir was ruler of Kiev) - about 990 ad
4!. Third (about 1200 ad)Www@QuestionHome@Com

This should help!.
http://www!.infoplease!.com/spot/russiatim!.!.!.

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