The organization is marking the 75th anniversary of U.N. peacekeeping and observing the International Day of United Nations Peacekeepers on Thursday. There will be a ceremony honoring the more than 4,200 peacekeepers who have died since 1948, when a historic decision was made by the U.N. Security Council to send military observers to the Middle East to supervise implementation of Israeli-Arab armistice agreements. The current commander of that mission, which became the United Nations Truce Supervision Organization, will be at a Security Council meeting. UNITED NATIONS (AP) — Over the past 75 years, the United Nations sent more than 2...