Franz Ernst Neumann, German mineralogist and physicist (d. 1895)
Franz Ernst Neumann (11 September 1798 – 23 May 1895) was a German mineralogist, physicist and mathematician.

1798Sep, 11
Franz Ernst Neumann
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Events on 1798
- 5Jun
Irish Rebellion of 1798
The Battle of New Ross: The attempt to spread the United Irish Rebellion into Munster is defeated. - 7Jul
Treaty of Alliance (1778)
As a result of the XYZ Affair, the U.S. Congress rescinds the Treaty of Alliance with France sparking the "Quasi-War". - 1Aug
Battle of the Nile
French Revolutionary Wars: Battle of the Nile (Battle of Aboukir Bay): Battle begins when a British fleet engages the French Revolutionary Navy fleet in an unusual night action. - 2Aug
Battle of the Nile
French Revolutionary Wars: The Battle of the Nile concludes in a British victory. - 22Aug
Irish Rebellion of 1798
French troops land at Kilcummin, County Mayo, Ireland to aid the rebellion.