 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (January 2018) |
John Sharpenstein Hager | |
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| United States Senator from California | |
| In office December 23, 1873 – March 3, 1875 | |
| Preceded by | Eugene Casserly |
| Succeeded by | Newton Booth |
| Personal details | |
| Born | March 12, 1818 Morristown, New Jersey, U.S. |
| Died | March 19, 1890 (aged 72) San Francisco, California, U.S. |
| Political party | Democratic |
John Sharpenstein Hager (March 12, 1818 – March 19, 1890) was an American politician from New Jersey who represented the state of California in the U.S. Senate from 1873 to 1875. He was a Democrat.