Public Holidays → Iran
Islamic Revolution's Victory Day in Iran
February 11 is Islamic Revolutions' Victory Day, also known as Anniversary of Islamic Revolution. This national holiday commemorates the end of Iranian Revolution.
Public Holidays → Cameroon
Youth Day in Cameroon
Youth Day in Cameroon is celebrated annually on February 11. The celebration of the holiday reflects awareness and recognition of youth significance for the country.
Public Holidays → Japan
National Foundation Day in Japan
The Japanese celebrate National Foundation Day on February 11 to commemorate the foundation of Japan and the accession of Emperor Jimmu, its first Emperor.
Public Holidays → Liberia
Armed Forces Day in Liberia
February 11 is Armed Forces Day in Liberia. This day is observed by the soldiers, who serve in the Armed Forces of Liberia to protect sovereignty and peace in the country.
Public Holidays → Vatican City
Lateran Treaty Day in Vatican
Vatican City doesn't have many public holidays that are not religious feasts. In fact, as of 2018, there are two such holidays: Lateran Treaty Day (February 11) and anniversary of the election of Pope Francis (March 13).
World Day of the Sick
World Day of the Sick is celebrated annually on February 11. This observance is very important for people suffering from diseases.
Autism Sunday
Autism Sunday, also known as the International Day of Prayer for Autism and Asperger Syndrome, is an annual observance held on the second Sunday in February. It originated in the United Kingdom.
Professional Days → Azerbaijan
Day of Revenue Service in Azerbaijan
February 11 is Day of Revenue Service in Azerbaijan. This professional day was instituted in 2005 to highlight the important role that workers of the revenue service play in the well-being of the country.
Professional Days → USA
National Inventor's Day in the USA
February 11 is National Inventor's Day in the USA. This holiday was proclaimed by Ronald Reagan, the 40th President of the USA, in 1983.
Ecological Observances → Poland
Forest Animal Feeding Day in Poland
Forest Animal Feeding Day (Dzień Dokarmiania Zwierzyny Leśnej) is an unofficial nature-related observance in Poland celebrated on February 11. Its main task is to help the inhabitants of the Polish forests to survive the hungry times during winter.
Anniversaries and Memorial Days → Philippines
Governor Evelio B. Javier Day in the Philippines
Governor Evelio B. Javier Day is observed in the Philippines on February 11. It is a special non-working public holiday in the provinces of Aklan, Antique, Capiz, and Iloilo. This day commemorates the death anniversary of Evelio Javier, a politician who was assassinated by allies of President Ferdinand Marcos.
National Peppermint Patty Day
February 11 is National Peppermint Patty Day. It's a good reason to taste a great combo of chocolate and peppermint again.
UN Observances
International Day of Women and Girls in Science is an official United Nations observance held annually on February 11. It was established to contribute to ensuring gender equality and empowering women and girls in the sphere of science and education.
Other Observances → European Union
European 112 Day
European 112 Day is an annual observance established by a tripartite convention signed by the Council of the European Union, the European Parliament and the European Commission. It was created to promote the appropriate use of the European Union emergency number.
World Marriage Day
World Marriage Day is an annual observance organized by Worldwide Marriage Encounter, a religiously-based program designed to help married couples improve their marriage. It is celebrated on the second Sunday in February.
Other Observances → Norway
Mother's Day in Norway
Mother's Day in Norway is celebrated on the second Sunday in February. It has been observed since 1919.
Writers Guild Awards in Los Angeles, USA
Limassol Carnival in Limassol, Cyprus
Carnival of Binche in Binche, Belgium
Paris Carnival in Paris, France
Carnival of Aalst in Aalst, Belgium
Writers Guild Awards in New York, USA
Fastelavn (Carnival in Denmark) in Copenhagen, Denmark
Aachen Carnival in Aachen, Germany
Pensacola Mardi Gras in Pensacola, USA
Carnival of Oruro in Oruro, Bolivia
Carnival of Ivrea (Battle of the Oranges) in Ivrea, Italy
Barranquilla Carnival in Barranquilla, Colombia
Laufarija Carnival in Cerkno in Cerkno, Slovenia
Carnival of Mazatenango in Mazatenango, Guatemala
Chicago Auto Show in Chicago, USA
2014 A military transport plane crushed in a mountainous area of Oum El Bouaghi Province in eastern Algeria. 77 people were killed.
2013 Pope Benedict XVI announced his resignation from the papacy. He became the first pontiff to resign in more than half a millennium.
2012 Died: Whitney Houston, American singer-songwriter, producer, and actress, the most awarded female act of all time.
2010 Died: Alexander McQueen, English fashion designer, founder of luxury fashion house Alexander McQueen.
2009 Died: Estelle Bennett, American singer, member of the girl group The Ronettes, one of the most popular groups of the 1960s.
2001 A Dutch programmer launched the Anna Kournikova virus infecting millions of emails via a trick photo of Russian tennis star. The virus didn't corrupt data in the infected computer, and was only sending itself to all people listed in the address book of the Microsoft Outlook.
1993 Died: Robert W. Holley, American biochemist, Nobel Prize in Physiology or Medicine laureate for describing the structure of alanine transfer RNA, linking DNA and protein synthesis.
1992 Born: Taylor Lautner, American actor and martial artist, best known for his role as Jacob Black in The Twilight Saga.
1990 Nelson Mandela was released from Victor Verster Prison outside Cape Town after 27 years as a political prisoner.
1990 Mike Tyson was knocked out by Buster Douglas in ten rounds at Tokyo. Douglas won boxing's world Heavyweight title, thus causing one of the largest upsets in sports history.
1986 Died: Frank Herbert, American author, best known for his novel Dune and its 5 sequels.
1985 Died: Ben Abruzzo, American balloonist, known as the member of the first team to cross the Pacific Ocean in a gas balloon in November 1981. This flight also set a record for longest trip by a team in a balloon.
1981 100,000 gallons (380 m3) of radioactive coolant leaked into the containment building of TVA Sequoyah 1 nuclear plant in Tennessee. 8 workers were contaminated.
1977 Born: Mike Shinoda, American singer-songwriter, co-founder of Linkin Park, where he is the rhythm guitarist, songwriter, keybordist and co-vocalist.
1973 Died: J. Hans D. Jensen, German physicist, Nobel Prize laureate for proposal of the nuclear shell model, also known for his contributions to the separation of uranium isotopes.
1971 87 countries (including the United States, United Kingdom and Soviet Union) signed the Seabed Arms Control Treaty that outlawed nuclear weapons on the ocean floor in international waters.
1969 Born: Jennifer Aniston, American actress, director, and producer, best known for role as Rachel Green on the TV sitcom Friends.
1958 Died: Ernest Jones, Welsh neurologist and psychoanalyst, an official biographer of Sigmund Freud, the first English-speaking practitioner of psychoanalysis and a leading exponent in the English-speaking world.
1942 Died: Jamnalal Bajaj, Indian businessman and philanthropist, founder of Bajaj Group, world's fourth largest 2- and 3-wheeler manufacturer.
1938 BBC Television produced the world's first ever science fiction TV program, which was an adaptation of a section of the Karel Čapek play R.U.R.
1935 Born: Gene Vincent, American singer and guitarist, pioneer of the rock and roll and rockability music styles. Best known for the hit Be-Bob-A-Lula, that is considered as significant early example of rockability.
1931 Died: Charles Algernon Parsons, English-Irish engineer, inventor of the steam turbine.
1926 Born: Leslie Nielsen, Canadian-American actor and comedian, best known for his roles in Scary Movie and Naked Gun.
1921 Born: Ottavio Missoni, Italian hurdler and fashion designer, founder of Missoni, Italian fashion house known for its colorful knitwear designs.
1917 Born: Sidney Sheldon, American author, best known for the novels Mater of the Game and Rage of Angels.
1889 Meiji Constitution of Japan was adopted. The Constitution declared imperial sovereignty in Japan and laid the foundation for the first parliament in Asia.
1858 Bernadette Soubirous had a first vision of the Blessed Virgin May in Lourdes, France.
1847 Born: Thomas Edison, American businessman and inventor. He invented many devices that greatly influenced the world, including light bulb, phonograph, motion picture camera.
1800 Born: Henry Fox Talbot, English photography pioneer, inventor or the calotype process. The process used paper to coat with silver iodide, thus making the photography.
1657 Born: Bernard Le Bovier de Fontenelle, French author, named the most civilized man of his time. The lunar crater Fontenelle was named after him in 1935.