1791: Long-distance communication speeds up with the unveiling of a semaphore machine in Paris
5 Dec 1791: Austrian composer Wolfgang Amadeus Mozart dies.
2
1792
16 Mar 1792: King Gustav III of Sweden is shot in the back by Jacob Johan Anckarström at a midnight masquerade at the Royal Opera in Stockholm; he lives until March 29, and is succeeded by Gustav IV Adolf
20 Apr 1792: France declares war against Austria
21 Sep 1792: The French Convention abolishes the monarchy and establishes the First Republic.
1909 - 1985 (75 years)
