Treaty of Nissa, a treaty of peace was signed by the Ottoman Empire and Russian Empire on October 3rd in the year 1739 to end up the Russio-Turkish War. As per the treaty of Nissa, Russians gave up their claim to Crimea and Moldavia. However, they were allowed to build a port at Azov that too without the right to have a fleet in the Black sea. The Austrian peace treaty compelled Russia to accept the peace at Nissa.

In the year 1952, on October 3rd United Kingdome became the third country to test the nuclear weapons after United States and Soviet Union. The code named 'Hurricane', the first British test was performed at the Montebello islands in Western Australia. As the land of British was small and had high population, hence was not suitable for the nuclear testing that's why they have asked Australia to provide the land for nuclear testing.

Kathleen Jenkins, O'Neill's first wife, hardly saw him after they married. Jenkins, who was used to a humdrum social milieu of tea and dinner parties, met O'Neill when she was 20 and fell in love with the exotic guy who wrote her poems. O'Neill sailed for Honduras almost soon after they married in a private ceremony in October 1909. When he went to New York, he forgot to tell his new spouse, therefore evading his duties to her and their son Eugene Jr.

Mohandas Karamchand Gandhi was known to his many followers as Mahatma, or "the great-souled one," for his peaceful philosophy of passive resistance. Gandhi was imprisoned several times during his quest for non-cooperation and undertook various hunger strikes to protest the injustice of India's poorest classes, among other injustices. He was known for his ascetic lifestyle–he often dressed only in a loincloth and shawl–and devout faith. The man was born on October 2, 1869.

Samuel Adams, an American Founding Father, participated in the Boston Tea Party and signed the Declaration of Independence. When official American political parties were established in the 1790s, Adams became a Democratic-Republican (following Thomas Jefferson). His final political position was as governor of Massachusetts from 1794 to 1797. On October 2, 1803, Adams died in his hometown of Boston.

Persis Khambhatta, an actress of Indian origin who made her way to the crown of Miss India and made strides in Hollywood too was born on the October 2nd in the year 1948. She is best known for going bald for her role in the movie of sci-ci genre, Star TrekL The Motion Picture (1979). SHe was raised by a single mother but for her sky was always the limit and she ahieved her dreams too. From the age of 13 she stepped into the world of glamour and modelling to the Hollywood, making all the Indians proud.

Indira Gandhi, the then Prime Minister of India was arrested in the year 1977, on October 4th in Delhi on the charges of corruption and misuse of authority. With her, four of her former ministers too got srrested by the CBI. Indira Gandhi was arrested for the two cases, both under the IPC and the Prevention of Corruption Act. However, Mrs. Gandhi called her arrest a "political one."

On October 4th in the year 1854, Abraham Lincoln delivered his first political address at Illinois State Fair. The main motive of that speech was to oppose the slavery. He in his address, put some specific arguments against the slavery, which became an important step in Abraham Lincoln's political ascension.

The 2019 American psychological thriller Joker was written and co-directed by Todd Phillips and Scott Silver. Joaquin Phoenix plays the Joker in the DC Comics adaptation, which offers a potential backstory for the character. It is set in 1981 and centres on Arthur Fleck, a failed clown and aspiring stand-up comedian who sparks a violent countercultural uprising against the wealthy in a run-down Gotham City as a result of his descent into madness and nihilism. Supporting actors include Robert De Niro, Zazie Beetz, Frances Conroy, Brett Cullen, Glenn Fleshler, Bill Camp, Shea Whigham, and Marc Maron.

The USSR launched Sputnik on October 4, 1957, making it the first man-made satellite to orbit the planet. The satellite, a basketball-sized, 85-kilogram (187-pound), metal sphere that orbited the Earth at 29,000 kilometres per hour (18,000 miles per hour) for three months, was put into orbit by a massive rocket.

Janet Leigh, Tony Curtis' wife, is most known for her shower scene as Marion Crane in Alfred Hitchcock's classic thriller 'Psycho.' Leigh died at her Beverly Hills home in October 2004 at the age of 77 after suffering from vasculitis, an inflammation of the blood vessels, for a year.

At the Chicago law firm of Sidley Austin, Obama met Michelle Robinson, a young lawyer assigned to be his mentor. The pair began dating soon after. He and Michelle married on October 3, 1992. They relocated to Kenwood, a neighborhood on Chicago's South Side. Several years later, Barack and Michelle Obama had two daughters: Malia (born in 1998) and Sasha (born in 2004). (born 2001).

Lisa Marie Persley married Danny Keough at Church of Scienteology on October 3rd in the year 1988. Only 9 people attended the event including her mother Priscilla Persley. Lisa was 20 at the time of thier marriage and Danny was 23. They both dated each other for three years before getting married. Although both got split after few year of thier marriage.

In 1976, Kamaraj was posthumously given India's highest civilian honor, the Bharat Ratna. Chennai Airport's domestic terminal is known as the "Kamaraj Terminal." "Kamarajar Salai" is the name given to the Marina Beach Road in Chennai. Kamaraj died at home on Gandhi Jayanti (October 2, 1975), the 12th anniversary of his resignation. He was 72 years old when he died in his sleep from a heart attack.