April 25
April 25 is the 116th day of the year in the Gregorian calendar; 250 days remain until the year's end. It falls in spring (northern hemisphere) and under the astrological sign of Taurus.
External references
Curated jump-off points to the major almanacs, encyclopaedias and primary sources for this date.
Astronomy
On April 25 the Sun's declination is approximately +13.3°. At this latitude the Sun is north of the celestial equator, giving the Northern Hemisphere longer 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 April 25.
Position in the year
Holidays & observances
- ANZAC Day (Australia and New Zealand)
- Liberation Day (Italy, Portugal)
Events
A selection of widely-documented historical events that took place on this date. Years marked BCE follow standard astronomical convention.
1915 — World War I: Allied forces landed at Gallipoli — ANZAC Day commemorates the campaign. ↗(111 years ago)more
The Gallipoli campaign, the Dardanelles campaign, the Defence of Gallipoli or the Battle of Gallipoli was a military campaign in the First World War on the Gallipoli Peninsula from 19 February 1915 to 9 January 1916.
1953 — Francis Crick and James Watson published their description of the double-helix structure of DNA in Nature. ↗(73 years ago)more
Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid (RNA) are nucleic acids.
1974 — The Carnation Revolution overthrew the Estado Novo dictatorship in Portugal. ↗(52 years ago)more
The Carnation Revolution, code-named Operation Historic Turn, also known as the 25th of April, was a military coup in Portugal by officers that on 25 April 1974 overthrew Marcelo Caetano and the Estado Novo regime established by António de Oliveira Salazar.
1990 — The Hubble Space Telescope was deployed from Space Shuttle Discovery. ↗(36 years ago)more
The Hubble Space Telescope is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most versatile, renowned as a vital research tool and as a public relations boon for astronomy.
Notable births
1284 — Edward II of England. ↗(742 years ago)more
Edward II, also known as Edward of Caernarfon or Caernarvon, was King of England from 1307 until he was deposed in January 1327. The fourth son of Edward I, Edward became the heir to the throne following the death of his older brother Alphonso.
1874 — Guglielmo Marconi, Italian inventor of long-distance radio. ↗(152 years ago)more
Guglielmo Giovanni Maria Marconi, 1st Marquess, was an Italian radio-frequency engineer, inventor, and politician known for his creation of a practical radio wave-based wireless telegraph system. This led to his being largely credited as the inventor of radio and sharing the 1909 Nobel Prize in Physics with Ferdinand Braun "in recognition of their contrib...
1940 — Al Pacino, American actor. ↗(86 years ago)more
Alfredo James Pacino is an American actor. Known for his intense performances on stage and screen, Pacino is widely regarded as one of the greatest actors of all time. His career spans more than five decades, during which he has earned many accolades, including an Academy Award, two Tony Awards, and two Primetime Emmy Awards, achieving the Triple Crown of...
Notable deaths
1995 — Ginger Rogers, American actress and dancer. ↗(31 years ago)more
Ginger Rogers was an American actress, dancer, and singer during the Golden Age of Hollywood. She won an Academy Award for Best Actress for her starring role in Kitty Foyle (1940), and performed during the 1930s in RKO's musical films with Fred Astaire. Her career continued on stage, radio, and television throughout much of the 20th century.
Numerical & calendrical curiosities
| Day-of-year (116) | 2^2 × 29 · composite (no) |
|---|---|
| Days remaining (250) | 2 × 5^3 |
| Date code DDMMYYYY | 25042026 · no palindrome in next 200 years |
| Sun declination | +13.28° (Cooper approximation) |
| Distance from solstice | 56 days |