Women's March through London

"Three cheers to our gallant soldiers", proclaim suffragette marchers as they rally to show their willingness to help the war effort.

At the outset of World War I, Britain's suffragettes called off their campaigning for the vote and instead offered their help in mobilising women to work in munitions factories. This impressive rally was intended as a show of patriotic solidarity. Though not universally welcomed, it turned out to be a shrewd move, which helped the campaigners secure their prize in the last months of the war.