Analysis of information sources in references of the Wikipedia article "Εξέγερση του Πολυτεχνείου" in Greek language version.
The uprising that began on November 14, 1973, escalated to an open, anti-junta revolt and ended in bloodshed in the early morning of November 17 after a series of events, starting with a tank crashing through the gates of the Polytechnic. [...] Additional people had heard about the uprising by word of mouth, and they came to join the group at the school. [...] By Friday, November 16, the Polytechneio building and the surrounding area were packed with people who had gone there to protest.