January 10
January 10 is the 10th day of the year in the Gregorian calendar; 356 days remain until the year's end. It falls in winter (northern hemisphere) and under the astrological sign of Capricorn.
External references
Curated jump-off points to the major almanacs, encyclopaedias and primary sources for this date.
Astronomy
On January 10 the Sun's declination is approximately -22.0°. At this latitude the Sun is south of the celestial equator, giving the Northern Hemisphere shorter days than nights.
For specific rise/set times at your location, see the U.S. Naval Observatory, or the NASA APOD archive for any imagery published on a January 10.
Position in the year
Holidays & observances
No widely-observed holidays catalogued for this day in our base set. See the external almanacs above for region-specific observances.
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
- 49 BCE — Julius Caesar crossed the Rubicon, a treasonous act under Roman law that began civil war. ↗(2075 years ago)
- 1776 — Thomas Paine's pamphlet Common Sense was published in Philadelphia. ↗(250 years ago)
- 1863 — The Metropolitan Railway, the world's first underground passenger railway, opened in London. ↗(163 years ago)
- 1920 — The League of Nations came into being with the entry into force of the Treaty of Versailles. ↗(106 years ago)
- 1946 — The first General Assembly of the United Nations opened in London. ↗(80 years ago)
Notable births
Notable deaths
- 1971 — Coco Chanel, French fashion designer. ↗(55 years ago)
Numerical & calendrical curiosities
| Day-of-year (10) | 2 × 5 · composite (no) |
|---|---|
| Days remaining (356) | 2^2 × 89 |
| Date code DDMMYYYY | 10012026 · no palindrome in next 200 years |
| Sun declination | -22.03° (Cooper approximation) |
| Distance from solstice | 21 days |