March 15
March 15 is the 75th day of the year in the Gregorian calendar; 291 days remain until the year's end. It falls in winter (northern hemisphere) and under the astrological sign of Pisces.
External references
Curated jump-off points to the major almanacs, encyclopaedias and primary sources for this date.
Astronomy
On March 15 the Sun's declination is approximately -2.4°. 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 March 15.
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.
44 BCE — The Ides of March: Julius Caesar was assassinated by senators including Brutus and Cassius. ↗(2070 years ago)more
Julius Caesar, the Roman dictator, was assassinated on the Ides of March, 44 BC, by a group of senators during a Senate session at the Curia of Pompey, located within the Theatre of Pompey in Rome. The conspirators, numbering 60 individuals and led by Marcus Junius Brutus, Gaius Cassius Longinus, and Decimus Junius Brutus Albinus, stabbed Caesar approxima...
1493 — Christopher Columbus returned to Spain after his first voyage to the Americas. ↗(533 years ago)more
Christopher Columbus was an Italian explorer and navigator from the Republic of Genoa who completed four Spanish transatlantic voyages in the name of the Catholic Monarchs, opening the way for the widespread European exploration and colonization of the Americas.
1820 — Maine became the 23rd U.S. state under the Missouri Compromise. ↗(206 years ago)more
The Missouri Compromise was federal legislation of the United States that balanced the desires of northern states to prevent the expansion of slavery in the country with those of southern states to expand it.
1917 — Tsar Nicholas II of Russia abdicated, ending the Romanov dynasty. ↗(109 years ago)more
Nicholas II was Emperor of Russia from 1 November 1894 until his abdication in 1917. He was the last Russian monarch before the Russian Revolution and oversaw the Russian Empire's participation in World War I. In 1918, the Romanovs were murdered, putting an end to the Romanov dynasty.
- 1985 — The first Internet domain name (symbolics.com) was registered. ↗(41 years ago)
more
Symbolics, Inc. is a privately held American computer software maker that acquired the assets of the former manufacturing company of the identical name and continues to sell and maintain the Open Genera Lisp system and the Macsyma computer algebra system.
Notable births
1767 — Andrew Jackson, 7th U.S. President. ↗(259 years ago)more
Andrew Jackson was the seventh president of the United States from 1829 to 1837. He rose to fame as a U.S. Army general and served in both houses of the U.S. Congress. His political philosophy, which dominated his presidency, became the basis for the rise of Jacksonian democracy.
1933 — Ruth Bader Ginsburg, U.S. Supreme Court Justice. ↗(93 years ago)more
Joan Ruth Bader Ginsburg was an American lawyer and jurist who served as an associate justice of the Supreme Court of the United States from 1993 until her death in 2020. She was nominated by President Bill Clinton to replace retiring justice Byron White, and at the time was viewed as a moderate consensus-builder.
Notable deaths
44 BCE — Julius Caesar. ↗(2070 years ago)more
Gaius Julius Caesar was a Roman general, statesman, and author who was the dictator of the Roman Republic almost continuously from 49 BC until his assassination in 44 BC. A member of the First Triumvirate, he led the Roman armies through the Gallic Wars and defeated his political rival Pompey in Caesar's civil war.
Numerical & calendrical curiosities
| Day-of-year (75) | 3 × 5^2 · composite (no) |
|---|---|
| Days remaining (291) | 3 × 97 |
| Date code DDMMYYYY | 15032026 · no palindrome in next 200 years |
| Sun declination | -2.42° (Cooper approximation) |
| Distance from solstice | 86 days |