Original sentence: About 3.000 people occupied Polytechnic, when, for the first time until the Athens Polytechnic Uprising the police got in and arrested finally 501 anarchists (all occupiers that were left in Polytechnic).The attack by an anarchist demonstration on the hotel "Caravel" hosting a far-right conference (among them was Jean-Marie Le Pen) was also a peak in anarchist movement of '80s
Edited sentence: About 3.000 people occupied Polytechnic but for the first time until the Athens Polytechnic Uprising, when the police got in and arrested finally 501 anarchists (all occupiers that were left in Polytechnic).The attack by a 4,000 strong anarchist demonstration on the hotel "Caravel" hosting a far-right conference (among them was Jean-Marie Le Pen) was also a peak in anarchist movement of '80s