January 1: on this day in history

Historical events

1. 45 BCThe Julian calendar came into force, and 1 January was recognized as the first day of the year in Rome.
2. 1801Italian astronomer Giuseppe Piazzi discovered Ceres, now classified as a dwarf planet.
3. 1892Ellis Island in New York began receiving immigrants arriving in America.
4. 1914SPT Airboat Line launched the world's first scheduled passenger flights in Florida.
5. 1983ARPANET officially switched to the TCP/IP protocol; this step is regarded as the birth of today's internet.

More days in January

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