What ethnic groups lived in Russia before Revolution?

Question by Dohiki: What differnt ethnic groups lived in Russia before the Russian Revolution?
I am doing a study on the Russian Revolution and I would like to know the answer to this question.

Answers and Views:

Answer by Spellbound
There were hundreds of different ethnicities within the Russian Empire:
Ukrainians, Belorussians, Poles, Finns, Georgians, Armenians, Baltic Germans, Volga Germans, Kazakhs, Kyrgyz, Uzbek, Azeris, Tajiks, Turkmen, Turkomen, Tatars, Krim Tatars, Volga Tatars, Chuvash, Chechens, Kalmys, Koreans, Uighurs, Evens, Evenks, Udmurts, Abkhaz, Jews, Mountain Jews, Dagestanis – and many, many others.

See:
This books lists only some of the smaller ethnic groups.
http://www.eki.ee/books/redbook/introduction.shtml

Add your own answer in the comments!