This year marks 40 years of our Friends of the RA scheme, and 40 years of the exhibitions they’ve visited. As a display of posters goes on show as part of Friends Week, here’s a reminder of just a few – and an invitation to vote for your favourites!
As protest marches find renewed relevance and the Imperial War Museum looks back at 100 years of peace protests in its latest show, here are 11 images by artists that have come to the aid of political movements from the 1950s to today.