Observed on 18 September
- Day of National Music (Azerbaijan)
- Island Language Day (Okinawa Prefecture, Japan)
- National Day or Dieciocho (Chile)
- National HIV/AIDS and Aging Awareness Day (United States)
- Navy Day (Croatia)
18 September in Indian history
- 2016The 2016 Uri attack in Jammu and Kashmir, India by terrorist group Jaish-e-Mohammed results in the deaths of nineteen Indian Army soldiers and all four attackers.India
- 2011The 2011 Sikkim earthquake is felt across northeastern India, Nepal, Bhutan, Bangladesh and southern Tibet.India
- 1948Operation Polo is terminated after the Indian Army accepts the surrender of the army of Hyderabad.India
18 September in world history
- 1980A fuel leak from a Titan II intercontinental ballistic missile at a USAF base near Damascus, Arkansas, results in an explosion in a missile silo, killing one person and injuring 21 others.
- 1974Hurricane Fifi strikes Honduras with 110 mph winds, killing 5,000 people.
- 1964The first television adaptation of Charles Addams's "The Addams Family" premieres on ABC Television.
- 1961An aircraft crashed near Ndola in Northern Rhodesia, resulting in the deaths of 16 people, including United Nations secretary-general Dag Hammarskjöld.
- 1948The Australian cricket team's Invincibles tour of England concluded; they had played 34 matches, including five Tests, without defeat.
- 1919In the Netherlands, a law granting full voting rights to women is granted royal assent by Queen Wilhelmina.
- 1918World War I: The Central Powers' defeat at the Battle of Dobro Pole played a role in the Bulgarian withdrawal from the war and led to the subsequent liberation of Vardar Macedonia.
- 1915The Saturday Evening Post publishes the short story "Extricating Young Gussie" by P.G. Wodehouse, featuring the first appearance of Bertie Wooster and his valet Jeeves.
- 1875The Indianola hurricane dissipated over Mississippi after killing around eight hundred people in Texas.
- 1870Nathaniel P. Langford of the Washburn–Langford–Doane Expedition first observed a geyser in the Wyoming Territory erupting at regular intervals, naming it Old Faithful (video featured).
- 1862The Confederate States celebrate for the first and only time a Thanksgiving Day.
- 1860Wars of Italian Unification: Battle of Castelfidardo: Royal Sardinian Army defeats forces of the Papal States, resulting in the conquest of Umbria and Marche by the Kingdom of Italy.
- 1048Byzantine–Seljuk wars: Byzantine forces defeated their Seljuk opponents in the flanks of the nocturnal Battle of Kapetron, but learned of their Georgian allies' defeat in the centre the next morning.
- 324Constantine the Great decisively defeated Licinius in the Battle of Chrysopolis, establishing Constantine's sole control over the Roman Empire and ending the Tetrarchy.
- 96Nerva (depicted), the first of the "Five Good Emperors" of ancient Rome, came to power following the assassination of his predecessor Domitian.
Born on 18 September
- 1968Upendra Rao, Indian actor, director, and politicianIndia
- 1956Anant Gadgil, Indian politicianIndia
- 1950Vishnuvardhan, Indian actor (died 2009)India
- 1945John McAfee, British-American computer programmer and businessman, founded McAfee (died 2021)
- 1937Ivy Matsepe-Casaburri, South African politician (died 2009)
- 1922Hank Bagby, American saxophonist (died 1993)
Died on 18 September
- 2020Ruth Bader Ginsburg, United States Supreme Court justice (born 1933)
- 2013Veliyam Bharghavan, Indian politician (born 1928)India
- 2008Ron Lancaster, American-Canadian football player and coach (born 1938)
- 1992Mohammad Hidayatullah, Indian lawyer, judge, and politician, 6th Vice President of India (born 1905)India
Frequently asked questions
- What happened on 18 September in history?
- 2016: The 2016 Uri attack in Jammu and Kashmir, India by terrorist group Jaish-e-Mohammed results in the deaths of nineteen Indian Army soldiers and all four attackers. 2011: The 2011 Sikkim earthquake is felt across northeastern India, Nepal, Bhutan, Bangladesh and southern Tibet. 1980: A fuel leak from a Titan II intercontinental ballistic missile at a USAF base near Damascus, Arkansas, results in an explosion in a missile silo, killing one person and injuring 21 others. 1974: Hurricane Fifi strikes Honduras with 110 mph winds, killing 5,000 people.
- What happened on 18 September in Indian history?
- 2016: The 2016 Uri attack in Jammu and Kashmir, India by terrorist group Jaish-e-Mohammed results in the deaths of nineteen Indian Army soldiers and all four attackers. 2011: The 2011 Sikkim earthquake is felt across northeastern India, Nepal, Bhutan, Bangladesh and southern Tibet. 1948: Operation Polo is terminated after the Indian Army accepts the surrender of the army of Hyderabad.
- Which famous people were born on 18 September?
- Upendra Rao, Indian actor, director, and politician (1968); Anant Gadgil, Indian politician (1956); Vishnuvardhan, Indian actor (died 2009) (1950); John McAfee, British-American computer programmer and businessman, founded McAfee (died 2021) (1945).
- Which day is observed on 18 September?
- Day of National Music (Azerbaijan); Island Language Day (Okinawa Prefecture, Japan); National Day or Dieciocho (Chile); National HIV/AIDS and Aging Awareness Day (United States); Navy Day (Croatia).
Historical entries from Wikipedia (CC BY-SA 4.0), sorted with India-related events first.