The 1923 Welsh Women’s Peace Petition, coordinated by the Welsh League of Nations Union, was signed by 390,296 women in a call for America to join and lead the League of Nations, to prevent the outbreak of another war in the aftermath of World War One.  In 2025, Corwen Museum launched a special exhibition to commemorate this initiative and the story behind it, as well as the stories of some of the local women who signed the petition.