The year 2025 is the 80th anniversary of the end of World War II, which concluded in 1945. This year includes specific dates of note that commemorate events that led to the war’s end. The 80th anniversary of Victory in Europe Day (VE Day) is 8 May 2025. The 80th anniversary of the atomic bombings of Hiroshima and Nagasaki are 6 and 9 August 2025. The 80th anniversary of Victory over Japan Day/Victory in the Pacific Day (VJ Day/VP Day) is 15 August 2025 in the United Kingdom and 2 September 2025 in the United States. This event-based collaborative collection between IIPC members and the public will include websites and individual web pages that document anniversary events, including: physical and online sites of memory, such as memorial ceremonies, veterans’ activities, and military cemeteries; physical exhibits and related events, such as those hosted by museums and historical societies; information about commemorative works of literature, visual art, and performing arts; memorial events related to specific battles in the European, Pacific, and North African theaters; and memorial events that commemorate specific events including VE Day, VJ Day, the Holocaust and concentration camp liberations, and the atomic bomb attacks on Hiroshima and Nagasaki. This collection relates thematically to IIPC’s 2015 World War I Commemoration Web Archive (https://archive-it.org/collections/6415).