Astrophysicist Subrahmanyan Chandrasekhar He showed that huge stars may collapse under their own gravity to achieve immense, if not infinite, densities. These collapsing stars are now known as neutron stars and black holes. He was the third of ten children born into a well-educated family; his mother was a translator who taught her children to read, and his father was the Deputy Auditor General of the Northwestern Railways. C. V. Raman, the Nobel Prize-winning scientist, was his father's brother. His parents and private tutors home-schooled him as a child.

India had no idea China would launch an attack, but it did. On October 20, 1962, India was invaded in what became known as the Sino-India conflict of 1962. The Indian army was unable to prepare because it believed it would never be attacked by China, resulting in a standoff between 10,000-20,000 Indian forces and 80,000 Chinese troops. The conflict lasted nearly a month and concluded on November 21, when China proclaimed a cease-fire.

Kim Karadahian or Kimberley Noel Karadashian West, an American media persoanlity, model, businesswoman and a socialite was born on 21st October in the year1980. She is now married with Kanye West and have four children and is leading a successful life.

Navjot Singh Sidhu is a professional cricketer. He has also served as the State of Punjab's Minister of Tourism, Cultural Affairs, and Museums. Sidhu was elected to the Lok Sabha from Amritsar on a BJP ticket in 2004. Sidhu resigned from the Lok Sabha after being charged with manslaughter in 2006. In 2009, he defeated his Congress opponent Surinder Singla by a massive 77,626 vote margin. Sidhu did not run in the Lok Sabha elections in 2014. Sidhu was appointed to the Rajya Sabha by the Modi government in April 2016. On July 18, however, he resigned from the Rajya Sabha. In September of 2016, Navjot Singh Sidhu resigned from the BJP.

Ernest Rutherford, the discoverer of famous alpha and beta rays took his last breath on October 19 in the year 1937 at the age of 66. He is still a renowned name in the fields of radioactivity and nuclear physics. He was the one to set forth the laws of radioactive decay. He now rests at Westminster Abbey.

Iraqi judges and prosecutors gathered this morning in a tightly guarded complex in downtown Baghdad as Saddam Hussein and seven defendants prepared to face charges in a 1982 massacre, kicking off the lengthy process of public reckoning for Mr. Hussein's decades of ruthless repression. The tribunal had postponed making a decision on giving a live broadcast until the very last minute, apparently due to concerns about endangering the safety of witnesses, tribunal officials, and others who would be in the courtroom and whose faces would likely be displayed on television. The television stream will be delayed by 20 minutes to allow officials to censor any sensitive pictures or testimonies.

Kamala Harris was born on October 20, 1964, in Oakland's Kaiser Hospital to Indian American immigrant and breast cancer researcher Dr. Shyamala Gopalan and Jamaican-born Donald Harris, an emeritus professor of economics at Stanford. In the fall of 1962, the pair met as PhD students at the University of California, Berkeley, and married the following year. When Kamala Harris is sworn in as the United States' vice president on January 20, she will be the first female, first Black, and first South Asian to hold the position.

Benjamin Netanyahu, a renowned Israeli politician was born on October 21st in the year 1949. He has served as the ninth prime minister of Israel from 1996 to 1999 and from 2009 to 2021. Moreover, he is the longest serving Israeli prime minister in the history with the official serving time of 15 years.

Jacqueline Kennedy, once the wife of president John F Kennedy, married a Greek shipping tycoon leaving everybody stunned. Most Americans saw Jackie's marriage as her farewell to an era and a hero. "It's the end of Camelot," many people said. Many people were shocked that she was marrying outside of her church and culture.

Muammar Gaddafi, a Libiyan rebel, political thinker and a dictator was killed on October 20 in the year 2011. He ruled more than four decades before he was ousted by a revolt in th eyear 2011. After he evade the capture he was killed by the rebel forces.

YashChopra was diagnosed with dengue fever on October 13, 2012, and was admitted to the Lilavatai Hospital in Bandra, Mumbai. On October 21, 2012, at the age of 80, the renowned filmmaker died of multiple organ failure caused by dengue fever. He was working on the film Jab Tak Hai Jaan at the time of his death.

Sunny Deol, the son of Bollywood legend Dharmendra, came onto the scene in the 1980s and quickly established himself as one of the industry's most renowned performers. Since his debut in 1983, he's had a string of successes and established himself as one of the industry's most bankable performers. For more than three decades, he has delivered many hits, received awards, and evolved into a famous action hero. Now, he is preparing to enter the political arena as a BJP candidate, and he is likely to run in the forthcoming Punjab elections.

Shammi Kapoor, the Elvis Presley of India was born on October 21st in the year 1931. Shammi Kappor is a huge name in the whole Bollywood industry. With is acting and directing skills her had contributed a lot in Indian cinema. He was the recipient of so many awards and was a superstar in his true sense.