Today's Holidays, National Days & Public Holidays

Discover what's happening today, Thursday, September 17, 2026, or tomorrow.

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Calendar.cx is your complete guide to holidays, national days, and observances around the world. We track 2,000+ events every year — from quirky fun days like National Pizza Day and National Dog Day, to major public holidays like Christmas and New Year's Day.

Every day of the year gets its own page, packed with national days, public holidays from dozens of countries, religious observances, historical events, notable births and deaths, and sports fixtures. Whether you're a teacher planning a classroom theme, a brand manager building a content calendar, or just curious what today's quirky celebration is — Calendar.cx has it all.

Browse by month, search for a specific day, or check out the FAQ for answers about any holiday. New events and observances are added regularly to keep the calendar accurate and complete.


Today is Thursday, September 17

On This Day in History — September 17

  • 2016 — Two bombs explode in Seaside Park, New Jersey, and Manhattan, New York. 31 people are injured in the Manhattan bombing.
  • 2011 — Occupy Wall Street movement begins in Zuccotti Park, New York City.
  • 2006 — Fourpeaked Mountain in Alaska erupts, marking the first eruption for the long-dormant volcano in at least 10,000 years.
  • 2006 — An audio tape of a private speech by Hungarian Prime Minister Ferenc Gyurcsány is leaked to the public, in which he confessed that his Hungarian Socialist Party had lied to win the 2006 election, sparking widespread...
  • 2001 — The New York Stock Exchange reopens for trading after the September 11 attacks, the longest closure since the Great Depression.
  • 1992 — An Iranian Kurdish leader and his two joiners are assassinated by political militants in Berlin, Germany.

More about history on this day →

Notable Births on September 17

  • 1997 — Auston Matthews, American ice hockey player
  • 1996 — Ella Purnell, British actress
  • 1993 — Sofiane Boufal, Moroccan footballer
  • 1991 — Ryo Ishikawa, Japanese golfer
  • 1991 — Justyna Jegiołka, Polish tennis player
  • 1991 — Cameron King, Australian rugby league player

Notable Deaths on September 17

  • 2016 — Bahman Golbarnezhad, Iranian racing cyclist (b. 1968)
  • 2016 — Sigge Parling, Swedish footballer (b. 1936)
  • 2015 — Ingrīda Andriņa, Latvian actress (b. 1944)
  • 2015 — Dettmar Cramer, German footballer and manager (b. 1925)
  • 2015 — Milo Hamilton, American sportscaster (b. 1927)
  • 2015 — Vadim Kuzmin, Russian physicist and academic (b. 1937)

Sports on September 17

  • MLB: Boston Red Sox @ Texas Rangers Final
  • MLB: Kansas City Royals @ Houston Astros Final
  • MLB: San Diego Padres @ Colorado Rockies Final
  • MLB: Seattle Mariners @ Los Angeles Angels In Progress
  • MLB: Miami Marlins @ Arizona Diamondbacks In Progress
  • MLB: Milwaukee Brewers @ Pittsburgh Pirates Scheduled

All sports schedules for September 17 →

About Today

Tomorrow is Friday, September 18

Public Holidays on September 18

All public holidays for September 18 →

On This Day in History — September 18

  • 2016 — Seventeen Indian Army security personnel killed in the Indian Administrated Kashmir by anti-government militants.
  • 2015 — Two security personnel, 17 worshippers in a mosque, and 13 militants are killed following a Tehrik-i-Taliban Pakistan attack on a Pakistan Air Force base on the outskirts of Peshawar.
  • 2014 — Scotland votes against independence from the United Kingdom.
  • 2011 — The 2011 Sikkim earthquake was felt across northeastern India, Nepal, Bhutan, Bangladesh and southern Tibet.
  • 2007 — Pervez Musharraf announces that he will step down as army chief and restore civilian rule to Pakistan, but only after he is re-elected president.
  • 2007 — Buddhist monks join anti-government protesters in Myanmar, starting what some call the Saffron Revolution.

More about history on this day →

Notable Births on September 18

  • 1998 — Christian Pulisic, American soccer player
  • 1995 — Max Meyer, German footballer
  • 1995 — Matt Targett, English footballer
  • 1992 — Edrick Lee, Australian rugby league player
  • 1990 — Lewis Holtby, German footballer
  • 1989 — Serge Ibaka, Congolese-Spanish basketball player

Notable Deaths on September 18

  • 2017 — Afzal Ahsan Randhawa, Pakistani writer, poet, translator and playwright (b. 1937)
  • 2015 — Eduardo Bonvallet, Chilean footballer and manager (b. 1955)
  • 2015 — James R. Houck, American astrophysicist and academic (b. 1940)
  • 2015 — Mario Benjamín Menéndez, Argentinian general and politician (b. 1930)
  • 2015 — Marcin Wrona, Polish director, producer, and screenwriter (b. 1973)
  • 2014 — Milan Marcetta, Canadian ice hockey player (b. 1936)

Sports on September 18

  • WNBA: Washington Mystics @ Chicago Sky Scheduled
  • WNBA: Los Angeles Sparks @ Dallas Wings Scheduled
  • MLB: Boston Red Sox @ Texas Rangers Scheduled
  • NFL: Detroit Lions @ Buffalo Bills Scheduled
  • MLB: Minnesota Twins @ Los Angeles Angels Scheduled
  • WNBA: Phoenix Mercury @ Portland Fire Scheduled

All sports schedules for September 18 →

About Tomorrow