Who were the ruling Russian Czarinas & when?

Answer 1

- Sophia Alekseyevna (Царевна Софья Алексеевна in Russian) (1682-1689) (was a regent of Russia in the time of joint ruler Peter I with Ivan V).
-Catherine I (In Russian: Екатерина I Алексеевна) (April 15, 1684 – May 17, 1727), the second wife of Peter the Great, reigned as Empress of Russia from 1725 until her death. She also functioned as co-ruler with her husband from 1724 until his death early in the next year.
-Anna Ioannovna (1730 - 1740)
-Anna Leopoldovna (9.11.1740 - 25.11.1741) (was a regent of Russia during the minority of her baby son Ivan VI)
-Elizabeth (1741 - 1762)
-Catherine II (Catherine the Great) (1762 - 1796)

for more info on any of them just go to www.wikipedia.com

Answer 2

The famous one would be Catherine the Great. I can't remember the exact date of her reign but it's sometime in the 17th century & Russia was one of the allied country fighting Prussia when she died.