Last Updated: October 4, 2026
Today in History – October 4 is a highly significant date in world history. From the launching of Sputnik-1 that triggered the space age to landmark social reform petitions in India and major geopolitical developments, this date holds immense value for civil services and competitive exams (UPSC, APPSC, TSPSC, SSC, Railways, and Banking).
This article covers:
- Major historical events on October 4
- Famous personalities born on October 4
- National and international observances
- Important current affairs and competitive exam facts
Table of Contents
🌟 Top Highlights of October 4
- Ishwar Chandra Vidyasagar’s Petition (1855): Ishwar Chandra Vidyasagar submitted a historic petition for the Hindu Widows’ Remarriage Act to the East India Company administration.
- Launch of Sputnik 1 (1957): The USSR successfully launched Sputnik 1, the world’s first artificial satellite, ushering in the Space Age.
- Formation of Samajwadi Party (1992): Mulayam Singh Yadav founded the Samajwadi Party in Lucknow, Uttar Pradesh.
- Registration of WikiLeaks Domain (2006): The domain name for WikiLeaks, the global whistleblower website, was registered.
🗓️ Important Historical Events on October 4
1535 – Publication of the First Complete English Bible
The first complete modern English Bible translated by Miles Coverdale was published. It played a major role in making religious literature accessible to ordinary people.
1855 – Ishwar Chandra Vidyasagar’s Petition for Widow Remarriage
Polymath and social reformer Ishwar Chandra Vidyasagar presented a historic petition signed by 987 individuals to the Legislative Council of the East India Company. This petition challenged rigid orthodox customs and paved the way for the enactment of the Hindu Widows’ Remarriage Act (Act XV of 1856) on July 16, 1856.
1957 – Launch of Sputnik-1
The Soviet Union successfully launched Sputnik 1 into a low Earth orbit on October 4, 1957. As the first human-made object to orbit the Earth, it marked the beginning of the Space Age and triggered the intense Space Race between the Soviet Union and the United States.
1992 – Formation of the Samajwadi Party
Former Chief Minister of Uttar Pradesh, Mulayam Singh Yadav, established the Samajwadi Party in Lucknow following a split from the Janata Dal. Guided by Ram Manohar Lohia’s socialist principles, the party became a major political force in North Indian politics.
2006 – WikiLeaks Domain Registered
The domain name wikileaks.org was officially registered on October 4, 2006, by Australian internet activist Julian Assange and his associates. WikiLeaks went on to revolutionize investigative journalism by releasing classified government, military, and corporate documents.
Other Major Events
- 1830: The provisional government in Brussels declared the independence of Belgium from the United Kingdom of the Netherlands.
- 1935: The classic mythological Telugu film ‘Sati Anasuya’ officially made its theatrical release under the production banner of Aurora Film Corporation in Kolkata.
- 1966: Basutoland gained independence from the United Kingdom and was renamed the Kingdom of Lesotho.
- 2010: The Ajka alumina plant accident occurred in Hungary, releasing toxic red mud into surrounding environments.
🎂 Famous Birthdays on October 4
| Year | Personality | Domain / Notable Achievement |
| 1895 | Richard Sorge | Legendary Soviet military intelligence officer who operated in Japan during WWII. |
| 1911 | Kamalakara Kameswara Rao | Acclaimed Telugu film director known for mythological classics like Nartanasala. |
| 1957 | Gajula Satyanarayana | Writer who recompiled and modernized the comprehensive cultural encyclopedia Pedda Bala Siksha for Telugu-speaking people.. |
| 1977 | Sanghavi | Indian film actress who acted in numerous Telugu, Kannada, and Tamil movies. |
🕯️ Notable Death Anniversaries on October 4
- 1904 – Frédéric-Auguste Bartholdi: Prominent French sculptor best known for designing the Statue of Liberty in New York Harbor.
- 1947 – Max Planck: Renowned German theoretical physicist who originated Quantum Theory and Planck’s constant (h), earning the Nobel Prize in Physics in 1918.
- 2015 – Edida Nageswara Rao: Eminent Telugu film producer of Poornodaya Movie Creations who produced iconic movies like Sankarabharanam (1980), Sagara Sangamam (1983), Swati Mutyam (1986), and Swayamkrushi (1987).
- 1669 – Rembrandt: Legendary Dutch Golden Age painter and printmaker.
📢 National & International Days Observed on October 4
- World Animal Day: First organized by Heinrich Zimmermann in 1925, aligned with the feast day of Saint Francis of Assisi, the patron saint of animals. To raise awareness about animal rights, welfare standards, and habitat conservation. Encourages individuals and organizations globally to protect wildlife and domestic animals alike.
- World Space Week (Oct 4 – Oct 10): Declared by the United Nations General Assembly in 1999. Commemorates the launch of Sputnik 1 on Oct 4, 1957, and the signing of the Outer Space Treaty on Oct 10, 1967. Highlights contributions of space science and technology toward human development.
💡Did You Know?
- First Beep from Space: Sputnik 1 carried a 1-watt radio transmitter that emitted a repeating “beep-beep” signal, which ham radio operators around the globe were able to tune into.
- Statue of Liberty Model: It is widely believed by art historians that Frédéric-Auguste Bartholdi modeled the face of the Statue of Liberty after his mother, Charlotte Bartholdi.
❓Frequently Asked Questions (FAQs)
Q1: What was the first artificial satellite launched into space?
Ans: Sputnik 1, launched by the Soviet Union on October 4, 1957.
Q2: Which social reformer submitted the historic petition for the Hindu Widows’ Remarriage Act on October 4, 1855?
Ans: Ishwar Chandra Vidyasagar.
Q3: When is World Animal Day observed internationally?
Ans: World Animal Day is celebrated annually on October 4.
Q4: Which Nobel Prize-winning physicist passed away on October 4, 1947?
Ans: Max Planck, the father of Quantum Theory.
Q5: Who founded the Samajwadi Party on October 4, 1992?
Ans: Mulayam Singh Yadav in Lucknow, Uttar Pradesh.
Q6: Who was the French sculptor behind the Statue of Liberty?
Ans: Frédéric-Auguste Bartholdi.
Q7: What is the significance of October 4 in relation to World Space Week?
Ans: World Space Week begins on October 4 every year to mark the anniversary of Sputnik 1’s launch.
Q8: When was the domain name for WikiLeaks registered?
Ans: On October 4, 2006.
Q9: Who produced landmark Telugu films like Sankarabharanam and Sagara Sangamam?
Ans: Edida Nageswara Rao (Poornodaya Art Creations).