2.22.1941 – The first raid in the Jewish quarter. Amsterdam Jews were herded on the Jonas Daniel Meijer Square. On 19 February 1941, the Grüne Polizei raided IJssalon Koco in Amsterdam-South. The owners defended themselves by spraying ammonia on the invaders. As retaliation 425 Jewish men between 20 and 35 years were on 22 and 23 arrested February and transported to the Mauthausen concentration camp.