2015 Event Greece misses its $1.8 billion debt payment to the IMF after a bailout extension request was denied; Greek leaders had rejected making reforms in exchange for the funds, but Prime Minister Alexis Tsipras is now willing to negotiate 2015 Event Ukraine and Russia negotiate a ceasefire with the support of Germany and France; the agreement calls for an end to fighting, removal of large artillery from the sites of conflict, and greater independence for eastern Ukraine 2010 Event Acting as a private citizen, former President Jimmy Carter travels to North Korea to negotiate the release of Aijalon Gomes, a U.S. citizen 1991 Event Colombian government negotiate with M-19-guerrilla 1964 Event Teamsters negotiate 1st national labor contract 1962 Event France and Algerian Moslems negotiate truce to end 7 year war