Last Updated: September 10, 2026
Today in History – September 10 is associated with several important political, scientific, cultural, and international developments in world history. From major earthquakes and World War II events to scientific breakthroughs and the birth anniversaries of renowned personalities, this date holds significant historical importance.
This article covers:
- Major historical events on September 10
- Famous personalities born on September 10
- National and international observances
- Important current affairs and competitive exam facts
Table of Contents
🌟 Top Highlights of September 10
- The Earthquake of Constantinople (1509): A devastating earthquake struck Constantinople (modern Istanbul).
- Canada Enters World War II (1939): Canada officially declared war on Germany in 1939 and entered World War II through an independent parliamentary decision.
- Abebe Bikila’s Barefoot Olympic Gold (1960): Ethiopian athlete Abebe Bikila became the first Sub-Saharan African Olympic gold medalist.
- Switzerland Joins the United Nations (2002): Switzerland officially became the 190th full member state of the United Nations.
- Activation of the Large Hadron Collider (2008): The Large Hadron Collider (LHC), the world’s largest particle physics experiment, was launched.
🗓️ Important Historical Events on September 10
1509 – Great Constantinople Earthquake
A powerful earthquake struck Constantinople (present-day Istanbul), the capital of the Ottoman Empire, on September 10, 1509. Known historically as the “Lesser Judgment Day,” the disaster caused widespread destruction, triggered tsunami waves in the Sea of Marmara, and claimed thousands of lives. It remains one of the most destructive earthquakes in the region’s history.
1939 – Canada Declares War on Germany
One week after Britain declared war, Canada’s Parliament officially voted to enter World War II on the Allied side. This was Canada’s first independent declaration of war as a sovereign nation.
1960 – Abebe Bikila Makes Olympic History
Ethiopian marathon runner Abebe Bikila won the Olympic marathon in Rome while running barefoot. He became the first Sub-Saharan African athlete to win an Olympic gold medal, inspiring generations of African athletes.
1974 – Independence of Guinea-Bissau
Portugal formally recognized the independence of Guinea-Bissau, marking a vital milestone in the decolonization movement across West Africa.
2002 – Switzerland Joins the United Nations
Following a national referendum, Switzerland became a full member of the United Nations. The move represented a major shift in the country’s long-standing policy of international neutrality.
2008 – Large Hadron Collider Begins Operations
The European Organization for Nuclear Research (CERN) successfully launched the Large Hadron Collider (LHC), the world’s most powerful particle accelerator. The project significantly advanced research into the fundamental structure of matter and the origins of the universe.
Other Major Events
- 1919: The Allied Powers signed the Treaty of Saint-Germain-en-Laye with German-Austria following WWI.
- 1943: German forces occupied Rome during World War II following the Italian armistice with Allied troops.
🎂 Famous Birthdays on September 10
| Year | Personality | Domain / Notable Achievement |
| 1839 | Charles Sanders Peirce | American philosopher, mathematician, founder of Pragmatism |
| 1887 | Pandit Govind Ballabh Pant | Freedom fighter, 1st Chief Minister of Uttar Pradesh, Union Home Minister, Bharat Ratna recipient. |
| 1895 | Viswanatha Satyanarayana | ‘Kavi Samrat’, first Telugu author to win the Jnanpith Award for Ramayana Kalpavrukshamu. |
| 1898 | Waldo Semon | American chemist known for developing synthetic PVC |
| 1912 | B. D. Jatti (Basappa Danappa Jatti) | Fifth Vice President of India (1974–1979) and Acting President of India (1977). |
| 1920 | C. R. Rao (Calyampudi Radhakrishna Rao) | Legendary Indian-American statistician and mathematician, Padma Vibhushan awardee. |
| 1921 | Vaddadi Papayya (Vapa) | Renowned Indian painter and illustrator known for his iconic artwork in Chandamama magazine. |
| 1922 | Yelavarthi Nayudamma | Internationally acclaimed leather technologist, former Director-General of CSIR, Padma Shri recipient. |
🕯️ Notable Death Anniversaries on September 10
- 1944 – Sardar Dandu Narayana Raju: Prominent freedom fighter from West Andhra who died in prison during the Quit India Movement.
- 1985 – Chakali Ailamma (Chityala Ailamma): Iconic revolutionary figure of the Telangana Armed Struggle who revolted against feudal landlords and Nizam rule.
- 2022 – B. B. Lal (Braj Basi Lal): Eminent Indian archaeologist, former Director General of the Archaeological Survey of India (ASI), Padma Vibhushan recipient.
📢 National & International Days Observed on September 10
- World Suicide Prevention Day: Established in 2003 by the International Association for Suicide Prevention (IASP) in conjunction with the World Health Organization (WHO). To promote worldwide awareness, reduce stigma, and encourage action to prevent self-harm and suicide.
💡Did You Know?
- Statistical Breakthroughs: C. R. Rao’s fundamental contributions, such as the Cramér–Rao bound and the Rao–Blackwell theorem, form essential cornerstones of modern statistical theory.
- UN Headquarters vs Membership: Despite hosting the European headquarters of the UN in Geneva for decades, Switzerland remained outside full UN membership until 2002 due to strict adherence to absolute political neutrality.
- First Telugu Jnanpith: Viswanatha Satyanarayana became the first Telugu author to receive the prestigious Jnanpith Award in 1970 for his epic work Ramayana Kalpavrukshamu.
❓Frequently Asked Questions (FAQs)
Q1: Who was the first author to win the Jnanpith Award for Telugu literature?
Ans: Viswanatha Satyanarayana, awarded in 1970 for his work Ramayana Kalpavrukshamu.
Q2: When is World Suicide Prevention Day observed globally?
Ans: September 10 every year.
Q3: In which year did Switzerland officially become a full member state of the United Nations?
Ans: September 10, 2002.
Q4: Who was the first Chief Minister of Uttar Pradesh?
Ans: Pandit Govind Ballabh Pant.
Q5: Which world-renowned Indian statistician born on September 10 formulated the Cramér–Rao bound?
Ans: C. R. Rao (Calyampudi Radhakrishna Rao).
Q6: Who was Chakali Ailamma, remembered on her death anniversary on September 10?
Ans: A heroic peasant leader and revolutionary figure of the Telangana Armed Struggle.
Q7: Which major scientific instrument was first successfully powered on September 10, 2008?
Ans: The Large Hadron Collider (LHC) at CERN.
Q8: Which Indian illustrator is widely remembered for his iconic artwork in Chandamama magazine?
Ans: Vaddadi Papayya (popularly known as Vapa).