2011 Event After 41 years in power, Libya's Muammar al-Gaddafi is less than 24 months away from being world's longest-serving leader 1990 Event Singapore's Lee Kuan Yew resigned, ends his reign longest-serving PM 1988 Event Margaret Thatcher becomes longest-serving British Prime Minister this century 1957 Birthday John Hoeven, born in Bismarck, North Dakota, politician, Republican, 34th Governor of North Dakota, longest-serving Governor in the U.S.
