Last Updated: September 15, 2026
Today in History – September 15 is a highly significant day in world and Indian history. Marked by the birth anniversary of India’s greatest engineer Sir Mokshagundam Visvesvaraya, and the International Day of Democracy, this calendar date holds immense historical, technical, and cultural value. This comprehensive guide is designed to benefit competitive exam aspirants (UPSC, APPSC, TSPSC, SSC, Banking) and history enthusiasts alike.
This article covers:
- Major historical events on September 15
- Famous personalities born on September 15
- National and international observances
- Important current affairs and competitive exam facts
Table of Contents
🌟 Top Highlights of September 15
- National Engineers’ Day (India): Celebrated annually to mark the birth anniversary of Bharat Ratna Sir Mokshagundam Visvesvaraya.
- Sydney Olympics (2000): Opening of the 27th Summer Olympic Games in Australia, where Karnam Malleswari made history.
- International Day of Democracy: UN-mandated global observance promoting democratic governance and human rights.
🗓️ Important Historical Events on September 15
1821 – Independence of Central American Nations
Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua jointly declared independence from Spanish colonial rule through the signing of the Act of Independence of Central America in Guatemala City, establishing national sovereignty across the region.
1835 – Charles Darwin Arrives at the Galápagos Islands
Renowned naturalist Charles Darwin, aboard HMS Beagle, anchored at the Galápagos Islands. His extensive observations of unique species, particularly finches and tortoises across the archipelago, formed the foundational empirical basis for his groundbreaking work on evolutionary biology, On the Origin of Species.
1916 – First Use of Tanks in Warfare
During the Battle of the Somme in World War I, Britain deployed tanks in combat for the first time, revolutionizing military technology.
1935 – Enactment of the Nuremberg Laws in Nazi Germany
Adolf Hitler’s Nazi regime instituted the oppressive Nuremberg Laws during a rally at Nuremberg. The legislation stripped German Jews of citizenship and civil rights while officially adopting the Swastika flag as the German national flag, laying the legal groundwork for the Holocaust.
1959 – Launch of Television Broadcasting in India (Doordarshan)
Experimental television broadcasting was inaugurated in New Delhi with financial and technical support from UNESCO. Operating under All India Radio, this experimental setup eventually evolved into India’s national public broadcaster, Doordarshan.
2000 – Opening of the 27th Summer Olympics in Sydney
The 27th Summer Olympic Games officially opened in Sydney, Australia. During these Games, Indian weightlifter Karnam Malleswari won a bronze medal, becoming the first Indian woman ever to win an Olympic medal.
2006 – 14th Non-Aligned Movement (NAM) Summit in Havana
The 14th NAM Summit commenced in Havana, Cuba, bringing together heads of state from over 100 developing nations, including Indian Prime Minister Dr. Manmohan Singh, to discuss global security, anti-terrorism cooperation, and economic development.
2017 – Cassini-Huygens Mission Grand Finale
NASA’s Cassini spacecraft deliberately plunged into Saturn’s upper atmosphere, concluding its transformative 20-year space exploration mission that vastly expanded scientific understanding of Saturn, its rings, and moons like Enceladus and Titan.
Other Major Events
- 1971: The international environmental organization Greenpeace was officially founded in Vancouver, Canada.
- 2008: Lehman Brothers filed for Chapter 11 bankruptcy protection, triggering the worst global financial crisis since the Great Depression.
🎂 Famous Birthdays on September 15
| Year | Personality | Domain / Notable Achievement |
| 1861 | Sir Mokshagundam Visvesvaraya | Preeminent Indian Civil Engineer, Diwan of Mysore, Bharat Ratna Awardee |
| 1876 | Sarat Chandra Chattopadhyay | Iconic Bengali novelist, author of Devdas and Parineeta |
| 1892 | Prithvi Singh Azad | Freedom fighter, founding member of Ghadar Party, Padma Bhushan recipient |
| 1900 | Dr. Kedarishwar Banerjee | Eminent Indian Physicist, expert in X-ray crystallography |
| 1909 | C.N. Annadurai | Former Chief Minister of Tamil Nadu, founder of the Dravida Munnetra Kazhagam (DMK) |
| 1967 | Ramya Krishna | Acclaimed Indian Film Actress (Baahubali, Padayappa) |
🕯️ Notable Death Anniversaries on September 15
- 1963 – Ponaka Kanakamma: Freedom fighter, social reformer, founder of Kasturba Gandhi School in Nellore.
- 1972 – K.V. Reddy (Kadiri Venkata Reddy): Legendary Telugu film director (Mayabazar, Patala Bhairavi, Jagadeka Veeruni Katha).
📢 National & International Days Observed on September 15
- National Engineers’ Day (India): Instituted by the Government of India in 1968 to commemorate the birth anniversary of Sir Mokshagundam Visvesvaraya, one of India’s greatest engineers and nation-builders. To honor the contributions of engineers toward nation-building, technological advancement, and infrastructure development.
- International Day of Democracy: Established by the United Nations General Assembly (UNGA) resolution in 2007 and the day was celebrated for the first time in 2008. To review the state of democracy worldwide, promote democratic principles, human rights, and good governance. Encourages governments to uphold citizen participation, free expression, fundamental freedoms, and rule of law.
- World Lymphoma Awareness Day: Initiated by the Lymphoma Coalition, a global network of patient groups. To raise public awareness regarding lymphoma, an increasingly common form of blood cancer affecting the lymphatic system.
- Sanchayika Day (National Savings Day for Schools – India): To cultivate habits of financial discipline and thrift among school students across India. Educates students on banking mechanisms, personal savings, and financial planning at an early age.
💡Did You Know?
- First Engineer to Win Bharat Ratna: Sir M. Visvesvaraya was awarded the Bharat Ratna in 1955. His patented automatic floodgates, installed at the Khadakwasla Reservoir and Krishna Raja Sagara Dam, were considered engineering marvels of the early 20th century.
- Ancestral Origin of Visvesvaraya: Visvesvaraya’s family originated from Mokshagundam, a small village in present-day Prakasam district of Andhra Pradesh, which forms his family surname.
- Largest Corporate Bankruptcy: Lehman Brothers’ filing for bankruptcy on September 15, 2008, remains the largest bankruptcy filing in U.S. history, involving over $600 billion in assets.
❓Frequently Asked Questions (FAQs)
Q1: Why is National Engineers’ Day celebrated on September 15 in India?
Ans: It is celebrated to honor the birth anniversary of Bharat Ratna Sir Mokshagundam Visvesvaraya (born September 15, 1861), one of India’s most distinguished civil engineers and visionaries.
Q2: When was the International Day of Democracy instituted by the United Nations?
Ans: The UN General Assembly passed a resolution in 2007 establishing September 15 as the International Day of Democracy.
Q3: Who authored the famous novel ‘Devdas’, and when was he born?
Ans: The iconic Bengali author Sarat Chandra Chattopadhyay wrote Devdas. He was born on September 15, 1876.
Q4: When did Karnam Malleswari win her historic Olympic medal?
Ans: Karnam Malleswari won the bronze medal in weightlifting at the 2000 Sydney Olympics, which officially opened on September 15, 2000.
Q5: When did television broadcasting start in India?
Ans: Experimental television broadcasting officially began in New Delhi on September 15, 1959, under All India Radio with support from UNESCO.
Q6: Who was Prithvi Singh Azad?
Ans: Prithvi Singh Azad (born September 15, 1892) was a prominent Indian freedom fighter, founding member of the Ghadar Party, and a recipient of the Padma Bhushan.
Q7: What is the significance of Sir M. Visvesvaraya’s book ‘Planned Economy for India’?
Ans: Published in 1934, Planned Economy for India laid down the first formal ten-year economic plan for Indian industrialization and economic development, laying the groundwork for post-independence national planning.