Those are good examples of primary sources
Jesus was crucified in Jerusalem. Hope this helps!
Without having a timeframe or choices, I would guess it would be the Holocaust which was from 1941-1945 when the German Nazi's rounded up and excecuted Jews (men, women, and children)
Congress voted to create the Continental Army out of the militia units around Boston and appointed George Washington of Virginia as commanding general. On July 6, 1775, Congress approved a Declaration of Causes outlining the rationale and necessity for taking up arms in the Thirteen Colonies