The Twentieth Century Crossword

What was the name of the Japanese city that the first Atomic Bomb was dropped onto during WWII?
What was the name of the spaceflight that landed the first humans on the moon?
What was the name of the first satellite that the Soviet Union launched into space successfully?
What was the name of the document that settled all affairs after WWI? (no spaces)
What was the name of the pact between Germany and Austria during WWII
The stock market crashed in October of 1929. The ten year period of economic hardship that followed is called the _______?
______ was a Civil Rights activist that advocated for racial equality by "any means necessary".
The first Women's Rights Convention was held in ______.
The ______ was a figurative boundary dividing communist (East) Europe from a more Democratic West Europe.
Who was the leader of the Communist North during the Vietnam War?