Ali Sami Yen, Turkish footballer and manager, founded Galatasaray S.K. (b. 1886)
Ali Sami Yen, born Ali Sami Frashëri (20 May 1886 – 29 July 1951) was a Albanian-Turkish sports official best known as the founder of the Galatasaray Sports Club. After the enactment of law on family names in 1934, he took the surname Yen, which literally means "win" in the Turkish language.

1951Jul, 29
Ali Sami Yen
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Events on 1951
- 11Apr
President Truman's relief of General Douglas MacArthur
Korean War: President Harry Truman relieves General of the Army Douglas MacArthur of overall command in Korea. - 22Apr
Battle of Kapyong
Korean War: The Chinese People's Volunteer Army begin assaulting positions defended by the Royal Australian Regiment and the Princess Patricia's Canadian Light Infantry at the Battle of Kapyong. - 25Apr
Battle of Kapyong
Korean War: Assaulting Chinese forces are forced to withdraw after heavy fighting with UN forces, primarily made up of Australian and Canadian troops, at the Battle of Kapyong. - 3May
Harry Truman
The United States Senate Committee on Armed Services and United States Senate Committee on Foreign Relations begin their closed door hearings into the dismissal of General Douglas MacArthur by U.S. President Harry Truman. - 15Oct
Combined oral contraceptive pill
Mexican chemist Luis E. Miramontes conducts the very last step of the first synthesis of norethisterone, the progestin that would later be used in one of the first three oral contraceptives.