On this day in 1939, the Nazis shut down Czechoslovakia’s colleges and universities, executing nine student and faculty leaders and sending another 1200 to concentration camps.

On this day in 1973, the Greek junta staged a tank attack on Athens Polytechnic university to put down a student uprising, killing least two dozen people.

It’s International Students’ Day. Follow along with what’s happening on the #N17 Twitter hashtag.