John L. O'Sullivan
John Louis O'Sullivan (November 15, 1813 – March 24, 1895) was an American columnist, editor, and diplomat who coined the term "manifest destiny" in 1845 to promote the annexation of Texas and the Oregon Country to the United States. O'Sullivan was an influential political writer and advocate for the Democratic Party at that time and served as U.S. minister to Portugal during the administration of President Franklin Pierce (1853–1857).
John L. O'Sullivan | |
|---|---|
O'Sullivan as he appeared on the cover of Harper's Weekly in November 1874. He was then attending a conference in Geneva that sought to create a process of international arbitration in order to prevent wars. | |
| United States Minister to Portugal | |
| In office June 16, 1854 – July 15, 1858 | |
| President | Franklin Pierce |
| Preceded by | Charles Brickett Haddock |
| Succeeded by | George W. Morgan |
| Personal details | |
| Born | November 15, 1813 At sea |
| Died | March 24, 1895 (aged 81) New York City, US |
| Nationality | American |
| Political party | Democratic |
| Spouse | Susan Kearny Rodgers |
| Education | Columbia College |
| Known for | Coined phrase manifest destiny |
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