September 23rd, 1846
Discovery of Neptune by French astronomer Urbain Jean Joseph Le Verrier and British astronomer John Couch Adams; verified by German astronomer Johann Gottfried Galle. event on September 23, 1846. Read about how to open files in Open File Database.
Events around September 23, 1846
| September 25th, 1846 | Event | U.S. forces led by Zachary Taylor captured the Mexican city of Monterrey. |
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