Below you can find the This capital fell to viet cong & north vietnamese troops on april 30 1975 Jeopardy Words Answer. The answer to This capital fell to viet cong & north vietnamese troops on april 30 1975 has 6 letters. This clue belongs to the 20th century history category and is part of Jeopardy Word Level 2237. If you scroll near the bottom you will find other clues and answers part of level 2237