cold war 1945 to present By thiebri 1947 Jackie Robinson https://docs.google.com/document/d/1cJfDPFYapJJ0liH03TlT4NoteAtwJNzeEgJHK9vneFM/edit?usp=sharing 1961 Berlin wall https://docs.google.com/document/d/1qZ9ojyPYSnXwXCKIG6RGjfxouqK_PtfqCsc7w02FlDs/edit?usp=sharing
