The Berlin Wall came down 27 years ago (see 27 years after the Berlin Wall fell, Europe wakes up to a U.S. president-elect promising one of his own from The Washington Post).
I have many related resources at The Best Sites To Learn About Walls That Separate Us.
The front page #OTD in 1989. Joyous East Germans pour through the Berlin Wall. #nytimes pic.twitter.com/mx9vibA1ag
— New York Times OTD (@OnThisDayNYT) November 11, 2016