Nice quiz! More like this would be great. Two small things: It should be Melania (with an "a") and it would be good to allow just "Rasputin" as the answer rather than requiring his first name (which the other answers don't).
making a quiz about famous slavic people and then erasing their slavic name is crazy - Maria Sklodowska-Curie, not Marie Curie. sklodowska-curie should at the very least be an accepted answer