15 February 2003 Iraq War protests
On 15 February 2003, a coordinated day of protests was held across the world in which people in more than 600 cities expressed opposition to the imminent Iraq War. It was part of a series of protests and political events that had begun in 2002 and continued as the invasion, war, and occupation took place.
Source: Wikipedia — 15 February 2003 Iraq War protests (CC BY-SA 4.0)