The document discusses International Day of Peace, which is observed annually on September 21st. It was established by the United Nations in 1981 to encourage global ceasefire and nonviolence. According to the document, over 62 million people worldwide are currently displaced due to conflict, which is equal to the entire population of the United Kingdom. The Peace One Day organization works to build a movement for peace through initiatives like concerts, films, sports events, and education resources to engage communities and spread awareness of peacebuilding.