Was Estonia ever part of Russia?

Related questions

1. What was Estonia before?
2. Who is the king of Estonia?
3. Is Estonia close to Russia?
4. Is Estonia a developed or developing country?
5. Was Estonia part of Prussia?
6. Is Estonia a socialist country?
7. How is the economy of Estonia?
8. Was Estonia a communist country?
9. Which country is Estonia?
10. When did Estonia separate from Russia?

Tags

1. #dissolution
2. #soviet
3. #until
4. #became
5. #union
6. #result
7. #northern
8. #european
9. #regained
10. #course
11. #after
12. #ceded
13. #swedish
14. #great
15. #livonian
16. #joined
17. #estonia
18. #sweden
19. #independence
20. #russia
21. #empire