1981 Antwerp synagogue bombing
On 20 October 1981, a truck bomb exploded outside a Portuguese Jewish synagogue in the centre of Antwerp, Belgium, in the diamond district of Antwerp. The explosion took place shortly after 9:00 AM on a Tuesday morning, a few minutes before Simchat Torah religious services were to begin.
Source: Wikipedia — 1981 Antwerp synagogue bombing (CC BY-SA 4.0)