A ceremony on April 19 in Warsaw marked the 80th anniversary of the Warsaw Ghetto uprising. The presidents of Israel, Germany and Poland gathered to commemorate the event. “I stand before you today and ask for your forgiveness for the crimes committed here by Germans,” President Frank-Walter Steinmeier of Germany told a crowd of thousands.

Since 1912, when an artist made a floral papercut, the daffodil has become the symbol of the rebellion. This year, the papercuts were distributed to 150,000 people in 100 Jewish communities around the world.