Original sentence: September 10 - Switzerland joins the United Nations.September 12 - U.September 2 - The United Nations World Summit on Sustainable Development, successor of the 1972 Conference on the Human Environment, 1983 World Commission on Environment and Development, and the 1992 Conference on Environment and Development, opens.September 25 - The Vitim event, a possible bolide impact, occurs in Siberia, Russia.September 26 - 1863 are killed when the Senegalese passenger ferry Joola capsizes in a storm off the coast of Gambia
Edited sentence: September 10 - Switzerland, known for its neutrality, finally joins the United Nations.September 12 - Iraq disarmament crisis: U.September 2 - The United Nations World Summit on Sustainable Development, successor of the 1972 Conference on the Human Environment, 1983 World Commission on Environment and Development, and the 1992 Conference on Environment and Development, officially opens.September 22 - The last game is played at Cinergy Field, where the Philadelphia Phillies beat the Cincinnati Reds, 4-3.September 25 - The Vitim event, a possible bolide impact in Siberia, Russia.September 26 - 1863 killed, Senegalese passenger ferry Joola capsized during fierce storm off coast of Gambia.September 3 - Consolidated Freightways, the third largest U.trucking firm, files for bankruptcy