January 2015 Île-de-France attacks
From 7 to 9 January 2015, terrorist attacks occurred across the Île-de-France region, particularly in Paris and most prominently at the offices of the magazine Charlie Hebdo. Three assailants killed a total of 17 people in 3 shooting attacks; the attackers were then killed by police.
Source: Wikipedia — January 2015 Île-de-France attacks (CC BY-SA 4.0)