Things I now know

today we did a trivia quiz and I now know that it was king Duncan who was killed by Macbeth. the implement of murder was that knife phantom thingo "is this a dagger I see before me?" and also macbeth did not want to kill him but his wife forced him to because she wanted to become queen.there aren't many other things that I know about this but I have read a shakespear book and i think I heard the story