This online exhibition explores how photography was used in the late nineteenth and early twentieth centuries to document large crowds of people and their impacts. This collection was curated by Photoconsortium: the International Consortium for Photographic Heritage, in partnership with Europeana. When navigating to the Power to the People tab, and selecting the "Standing out" section, visitors can explore May Day in Red Square in Moscow, May 5th, 1936, where millions of civilians followed a military parade that marched past Lenin's Tomb. Other festive occasions depicted in the exhibition include the Hans Christian Andersen feast in Odense, Sweden, July 1930; fashionable spectators at Finals Day at Henley Royal Regatta on the Thames River, July 8, 1938; and Arsenal versus Charlton at Highbury Stadium, London, 1936, which shows a sea of men and boys watching the football. Rights information is provided for all the images, so it's easy for viewers to see that the May Day picture is in copyright (meaning commercial reuse is not permitted) while the Hans Christian Andersen picture is available under CC-BY - more liberal terms that allow reuse with attribution.