A U.S. Marine leads training on a shooting range in France in an undated photo taken during the First World War. (Photo by Reuters/Courtesy Library of Congress)

A woman looks on as she takes part in a protest on the Day of the Dead against gender violence and femicide, in Mexico City, Mexico, November 2, 2020. (Photo by Raquel Cunha/Reuters)

People attend a master class in Latin American dances on the deck outside No 84 Pavilion in VDNKh Exhibition Centre in Moscow, Russia on July 4, 2020. The event opens this year's season of outdoor dancing in VDNKh. (Photo by Artyom Geodakyan/TASS)

A fireman from the London Fire Brigade, wearing a smoke helmet. (Photo by Topical Press Agency/Getty Images). Circa 1908

Harris & Ewing Inc. photographed people, events, and architecture, particularly in Washington, D.C., during the period 1905-1945. Photo: Tests of Curtiss Palne for Army, Single Control. Created by Harris & Ewing. Published in 1912.

Members of the Women's Fire Brigade with their Chief Officer, March 1916. (Photo by Topical Press Agency)

Street fighting in Berlin between Government troops and Spartacists, during the Spartacist uprising which followed Germany's defeat in World War I. (Photo by Keystone/Getty Images). 1919

Two dummy tanks being pushed along a road by German soldiers. (Photo by Hulton Archive/Getty Images). Circa 1925