Ira Remsen, American chemist and academic (d. 1927)
Ira Remsen (February 10, 1846 – March 4, 1927) was an American chemist who discovered the artificial sweetener saccharin along with Constantin Fahlberg. He was the second president of Johns Hopkins University.

1846Feb, 10
Ira Remsen
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Events on 1846
- 11May
Mexican-American War
President James K. Polk asked for a Declaration of War against Mexico, starting the Mexican-American War. It is approved on May 13. - 7Jul
Conquest of California
American troops occupy Monterey and Yerba Buena, thus beginning the conquest of California. - 10Sep
Sewing machine
Elias Howe is granted a patent for the sewing machine. - 23Sep
John Couch Adams
Astronomers Urbain Jean Joseph Le Verrier, John Couch Adams and Johann Gottfried Galle collaborate on the discovery of Neptune. - 24Sep
Zachary Taylor
Mexican-American War: General Zachary Taylor captures Monterrey.