January 27
Updated November 6, 2026 · Edited by the JanuaryCalendar.com team
January 27 is International Holocaust Remembrance Day, chosen because Soviet troops liberated the Auschwitz-Birkenau camp on this date in 1945. It is also the birthday of Wolfgang Amadeus Mozart and Lewis Carroll, and the date the Paris Peace Accords were signed in 1973.
January 27 is the 27th day of the year in the Gregorian calendar. 338 days remain in the year (339 in leap years). In 2027, January 27 falls on a Wednesday.
- Day of year
- 27
- Days left
- 338 (339 in leap years)
- Zodiac sign
- Aquarius ♒︎
- Birthstone
- Garnet
- ISO week (2027)
- Week 4
- Weekday (2027)
- Wednesday
Holidays and observances on January 27
- UN / international International Holocaust Remembrance Day (Worldwide) — Designated by the UN General Assembly in 2005; observed in the UK as Holocaust Memorial Day.
- Astronomy Full moon (Wolf Moon) on January 27 in 2032 (Eastern Time)
Events on January 27 in history
- 1785 – The University of Georgia was chartered, becoming the first state-chartered public university in the United States.
- 1880 – Thomas Edison received a US patent for his incandescent electric lamp.
- 1888 – The National Geographic Society was incorporated in Washington, D.C., two weeks after its founding meeting.
- 1944 – Soviet forces fully lifted the Siege of Leningrad after nearly 900 days.
- 1945 – Soviet troops liberated the Auschwitz-Birkenau concentration and extermination camp in German-occupied Poland.
- 1967 – The United States, the United Kingdom and the Soviet Union signed the Outer Space Treaty.
- 1967 – A cabin fire during a launch rehearsal killed Apollo 1 astronauts Gus Grissom, Ed White and Roger Chaffee.
- 1973 – The Paris Peace Accords were signed, ending direct US military involvement in the Vietnam War.
- 2010 – Steve Jobs unveiled the first iPad at an Apple event in San Francisco.
Famous birthdays on January 27
- 1756 – Wolfgang Amadeus Mozart, Austrian composer
- 1832 – Lewis Carroll, English author of Alice's Adventures in Wonderland
- 1850 – Samuel Gompers, American labor leader, AFL founder
- 1859 – Wilhelm II, Last German emperor
- 1885 – Jerome Kern, American composer of Show Boat
- 1921 – Donna Reed, American actress
- 1944 – Mairead Corrigan, Northern Irish Nobel Peace Prize laureate
- 1948 – Mikhail Baryshnikov, Soviet-born ballet dancer
- 1955 – John Roberts, Chief Justice of the United States
What day is January 27?
Frequently asked questions
Why is Holocaust Remembrance Day on January 27?
The UN chose January 27 because Soviet troops liberated Auschwitz-Birkenau, the largest Nazi death camp, on that date in 1945. The General Assembly designated the day in 2005.
What happened to Apollo 1 on January 27, 1967?
A fire broke out in the Apollo 1 command module during a launch pad test at Cape Kennedy, killing all three crew members. NASA redesigned the spacecraft before crewed Apollo flights began in 1968.
What day of the week is January 27, 2027?
January 27, 2027 is a Wednesday. In 2028 it falls on a Thursday.
What zodiac sign is January 27?
People born on January 27 are Aquarians (January 20 – February 18) in Western astrology.