Thirty years ago John Lennon was shot by Mark David Chapman at the entrance of the building where he lived, The Dakota in Manhattan, New York on Monday, 8 December 1980. You will probably know that he was one of the members of The Beatles and that he continued his career on his own after the group splitted. He was also a peace activist.
If you want to remember him, you can watch this video and listen to one of his most remembered songs, Imagine. Then you can follow the lyrics in the other link.
If you want to know about Lennon’s life and death, you can also read these links and practise your comprehension.