Based on what you all wrote I constructed the following sentences . Can you please tell me if they are correct (I am sure that there are syntax errors but please focus on the ideas):

1.До я поеду в Россию я хочу выучить русский = Before I go to Russian I want to learn Russian.
2. Она ушла перед я приехал = She had left (immediately) before I arrived
3. Борис Ельцин был Президент России до Владимира Путин = Boris Yeltsin was the President of Russia before Vladimir Putin.
4. Я выучил играть на скрипке до я выучил играть фортепиано = I learned to play the violin before I learned to play the fortepiano.
5. До Возрождения было средневековье = Before Rennaisance was the Middle Ages.
6. Музей перед моим домом = The museum is front of my house.