This photo shows the participants of the World Congress for Peace held in 1913 in The Hague, one of many peace-related gatherings held in the Dutch capital city. ‘Abdu’l-Bahá showed great interest in movements working for peace. His First Tablet to The Hague, for example, was penned in 1919 to the Central Organization for a Durable Peace based in that city. (Credit: National Library of the Netherlands)