Last Updated: August 9, 2026
Today in History – August 9 is one of the most significant dates in world history. It marks the launch of India’s Quit India Movement, the atomic bombing of Nagasaki during World War II, Singapore’s independence, and the observance of the International Day of the World’s Indigenous Peoples. These events have had a profound impact on political history, science, international relations, and human rights.
This article covers:
- Major historical events on August 9
- Famous personalities born on August 9
- National and international observances
- Important current affairs and competitive exam facts
Table of Contents
🌟 Top Highlights of August 9
- Nagasaki Atomic Bombing (1945): The US dropped its second atomic bomb, nicknamed “Fat Man,” on Nagasaki, Japan, leading to Japan’s surrender in World War II.
- Independence of Singapore (1965): Singapore separated from the Federation of Malaysia to become an independent, sovereign republic.
- India’s First Heavy Water Plant (1962): India’s nuclear energy program achieved a major milestone with the inauguration of its first Heavy Water production facility at Nangal, Punjab.
- Birth of Dr. S.R. Ranganathan (1892): Birth anniversary of the Father of Library Science in India, who developed the Colon Classification system.
🗓️ Important Historical Events on August 9
1173 – Construction of the Leaning Tower of Pisa Began
Construction of the famous Leaning Tower of Pisa began in Pisa, Italy. Due to unstable soil beneath its foundation, the tower started leaning during construction and eventually became one of the world’s most famous architectural wonders.
1925 – Kakori Train Action
Revolutionaries of the Hindustan Republican Association (HRA), including Ram Prasad Bismil, Ashfaqulla Khan, and Chandrashekhar Azad, executed an armed raid on a train carrying government treasury funds at Kakori near Lucknow. The action aimed to fund revolutionary activities against British rule.
1945 – Atomic Bombing of Nagasaki
Three days after Hiroshima, a U.S. B-29 bomber dropped the “Fat Man” plutonium bomb on the city of Nagasaki, Japan. The blast killed around 70,000 people instantly, forcing Japan to announce its unconditional surrender shortly after. It also remains the last wartime use of a nuclear weapon.
1962 – India’s First Heavy Water Plant Commissioned
To support India’s indigenous nuclear program, the nation’s first commercial Heavy Water Plant was successfully commissioned at Nangal in Punjab. The facility played a vital role in supporting India’s civilian nuclear energy programme.
1965 – Singapore Became an Independent Nation
Singapore officially separated from Malaysia and became a sovereign republic. Under the leadership of Lee Kuan Yew, the nation transformed into one of the world’s leading financial and economic centers.
1971 – Indo-Soviet Treaty of Peace, Friendship and Cooperation
India and the Soviet Union signed a landmark 20-year treaty of strategic cooperation. The treaty provided vital diplomatic and defense backing to India ahead of the 1971 Bangladesh Liberation War.
1974 – Gerald Ford Became the 38th President of the United States
Following the resignation of President Richard Nixon after the Watergate scandal, Gerald Ford was sworn in as the 38th President of the United States. He remains the only U.S. president who assumed office without being elected as either president or vice president.
1991 – First Email Sent from Space
Astronauts aboard Space Shuttle Atlantis sent the first email message from space to Earth, marking an important milestone in the history of space communications.
Other Major Events
- 48 BC: Julius Caesar defeated Pompey at the Battle of Pharsalus, strengthening his control over the Roman Republic.
- 378: Roman Emperor Valens was killed at the Battle of Adrianople, one of the Roman Empire’s greatest military defeats.
- 1854: American author Henry David Thoreau published his classic literary work Walden, reflecting on simple living in natural surroundings.
- 1963: India became the first country (outside the original three nuclear powers viz. US, UK, and Soviet Union) to sign the Partial Test Ban Treaty (PTBT) in Moscow, restricting nuclear weapons testing.
- 1969: The historic Ochterlony Monument in Kolkata was officially renamed Shahid Minar in honor of Indian freedom fighters.
🎂 Famous Birthdays on August 9
| Year | Personality | Domain / Notable Achievement |
| 1776 | Amedeo Avogadro | Italian scientist; famous for Avogadro’s law regarding molecular volumes of gases. |
| 1890 | Chilukuri Narayana Rao | Indian linguist, historian, Sanskrit scholar, and eminent Telugu language researcher. |
| 1892 | Dr. S.R. Ranganathan | Mathematician and librarian; recognized as the Father of Library Science in India. |
| 1896 | Jean Piaget | Swiss psychologist; famous for pioneering the theory of cognitive development in children. |
| 1910 | Relangi Venkataramaiah | Legendary actor; first Indian comedian to be awarded the civilian honor Padma Shri. |
| 1963 | Whitney Houston | American singer, actress, and one of the best-selling music artists of all time. |
| 1975 | Mahesh Babu | Prominent Telugu film actor, film producer, and philanthropist. |
📌 Other Notable Birthdays: Acharya Shivpujan Sahay, influential Hindi novelist and editor (1893); V.K. Gokak, Jnanpith Award-winning Kannada writer (1909); Jaladi Raja Rao, Telugu playwright and lyricist (1932); actors Murali Sharma (1972), and Hansika Motwani (1991).
🕯️ Notable Death Anniversaries on August 9
- 1932 – John Charles Fields: Canadian mathematician after whom the prestigious Fields Medal is named.
- 1962 – Hermann Hesse: German-Swiss Nobel Prize-winning author best known for Siddhartha and Steppenwolf.
- 1995 – Jerry Garcia: American musician and co-founder of the rock band Grateful Dead
- 2016 – Jyothi Lakshmi: South Indian film actress and dancer famous for her roles across Tamil, Telugu, Malayalam, and Kannada cinema.
📢 National & International Days Observed on August 9
- International Day of the World’s Indigenous Peoples: Recognized by the United Nations to promote and protect the rights, languages, and cultural heritage of indigenous communities globally.
- Nagasaki Day: Observed worldwide to commemorate the victims of the 1945 atomic attack and emphasize global nuclear disarmament and peace.
- National Book Lovers Day: An annual observance celebrated by readers around the world to encourage reading habits, appreciation of literature, and book culture.
- International Coworking Day: An international awareness day that highlights the value of collaborative workspaces, innovation, entrepreneurship, and professional networking.
💡Did You Know?
- Clarification on Birth Date: Although official Indian government records list National Librarian’s Day on August 12, Dr. S.R. Ranganathan explicitly recorded his actual birth date as August 9, 1892 in his seminal work Five Laws of Library Science.
- Code Name “Fat Man”: The atomic bomb dropped on Nagasaki was code-named “Fat Man” due to its spherical design dictated by its plutonium core.
- First Comedian Padma Shri: Relangi Venkataramaiah was the first artist in Indian cinematic history to receive the Padma Shri specifically for contributions as a comedic actor.
❓Frequently Asked Questions (FAQs)
Q1: What was the code name of the nuclear bomb dropped on Nagasaki on August 9, 1945?
Ans: “Fat Man”.
Q2: On which date did Singapore achieve full independence from Malaysia?
Q3: Who is known as the Father of Library Science in India?
Ans: Dr. S.R. Ranganathan (Shiyali Ramamrita Ranganathan).
Q4: Which revolutionary organization carried out the Kakori Train Action on August 9, 1925?
Ans: The Hindustan Republican Association (HRA).
Q5: Which UN international day is commemorated on August 9?
Ans: International Day of the World’s Indigenous Peoples.
Q6: Where was India’s first Heavy Water Plant launched in 1962?
Ans: At Nangal in Punjab.
Q7: In 1971, India signed a 20-year Treaty of Peace, Friendship, and Cooperation with which nation?
Ans: The Soviet Union (USSR).
Q8: Who was the first Telugu comedian to receive the Padma Shri?
Ans: Relangi Venkataramaiah.
Q9: Who became the 38th President of the United States on 9 August 1974?
Ans: Gerald Ford.
Q10: When was Mahesh Babu born?
Ans: 9 August 1975.