Sir Isaac Newton, born 25 December 1642, was an English mathematician, physicist, astronomer, theologian, and author (dubbed a "natural philosopher" at the time) who is largely regarded as one of the greatest mathematicians, physicists, and most important scientists of all time. He was a pivotal player in the Enlightenment thought revolution. His 1687 work Philosophi Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) developed classical mechanics. Newton also made important discoveries to optics and is credited with establishing infinitesimal calculus alongside German mathematician Gottfried Wilhelm Leibniz.

George Michael, born Georgios Kyriacos Panayiotou, was an English singer, songwriter, and record producer. He was a major pop performer in the 1980s and 1990s, winning a Grammy for best album of the year in 1987. He rose to prominence as a member of the music duet Wham!, which he created as a youngster, and had his first international success in 1984. He was discovered dead at his house in Goring-on-Thames on December 25, 2016. He was 53 at the time. Tests to ascertain the cause of his death indicated that he died of natural causes caused by heart and liver disorders.

Ravish Malhotra (born December 25, 1943 in Lahore, British India) is a retired Indian Air Force Air Commodore. He was an Air Force test pilot stationed at the Bangalore test centre. He was also the Air Officer Commanding Hindon Air Force Station, which was located near Delhi.

Cassandra Jean Whitehead went on to work in television, where she had numerous minor roles, most notably on One Tree Hill, Mad Men, and Arrow. But it's in love that the former model really shines. She married Arrow actor Stephen Amell in a private wedding in the Caribbean on December 25, 2012. When the couple returned to the United States, Us Weekly stated that they married for the second time the following May in front of friends and family in New Orleans. That October, the couple had their first kid, and they've grown even more in love with each other since.

The Lakers' centre Shaquille O'Neal attempted to keep the site of his post-Christmas wedding ceremony with longtime girlfriend Shaunie Nelson a secret. She is the mother of two of his children, and the pair is expecting another. She married basketball player Shaquille O'Neal at the Beverly Hills Hotel on December 26, 2002. The couple had four children before and during their marriage. After five years of marriage, Shaquille and Shaunie O'Neal divorced.

James Joseph Brown was a well-known American musician who made significant contributions to the development of several musical genres, including soul music, funk music, and rap music. This highly influential artist redefined the way music was created in America over a six-decade career. On December 25, 2006, he died of congestive heart failure caused by pneumonia complications. He was 73 years old at the time.

Justin Pierre James Trudeau (born December 25, 1971) is a Canadian politician who has served as the country's 23rd and current prime minister since November 2015 and as the Liberal Party's leader since April 2013. Trudeau, the oldest son of Pierre Trudeau, is the second-youngest prime minister in Canadian history, behind Joe Clark. He is also the first to be the child or other related of a former holder of the job.

Jerry Seinfeld, whose sitcom character had a phobia of commitment, married Jessica Sklar, 28, on Saturday in a private ceremony attended by close friends and family. Seinfeld was dressed in a black tuxedo with a bow tie. Ms Sklar wore an ivory slip dress with spaghetti straps that was empire-waisted. On December 25, 1999, the couple married. The wedding's best man was comedian George Wallace. After the wedding, Jerry and Jessica Seinfeld paid US$32 million for Billy Joel's mansion in Amagansett, Long Island, after news of the couple's interest in the property became public in 2000.

On December 26, 1893, the Mao family, rich farmers in Shaoshan, Hunan Province, China, welcomed a son. They gave the kid the name Mao Zedong. The father of modern China is renowned not just for his impact on Chinese society and culture, but also for his global influence, which included political revolutionaries in the United States and the Western world in the 1960s and 1970s. He is usually regarded as one of the most significant communist theorists. He was also regarded as a remarkable poet. He is best known as the People's Republic of China's Founding Father, leading the country as Chairman of the Communist Party of China from 1949 to 1976.

On December 26, 2001, J.K. Rowling married her lover Dr Neil Murray in a covert Boxing Day ceremony at her new residence. The 36-year-old billionaire married Murray, 30, at Aberfeldy's £500,000 Killiechassie House in Perthshire. Only 15 family and close friends are said to have attended the wedding, which was held in complete secrecy. The bride donned a cream gown, and Jessica, her first husband's eight-year-old daughter, was one of three bridesmaids. Rowling's sister Dianne and Murray's sister Lorna were among the others.

Charlie Chaplin, the film actor, director, and writer, was one of cinema's most creative inventors. His portrayal of "the tramp," a sympathetic comedy figure with ill-fitting clothing and a moustache, drew praise from audiences all over the world. After Queen Elizabeth II of England knighted him in 1975, he became Sir Charles Chaplin. Chaplin died in his sleep in Switzerland two years later, on December 25, 1977.

Madan Mohan Malaviya, born 25 December 1861, was an Indian scholar, educational reformer, and politician best known for his participation in the Indian independence struggle as the three-time president of the Indian National Congress and the founder of the Akhil Bharatiya Hindu Mahasabha. He was respectfully addressed as Pandit and Mahamana.

Chakravarti Rajagopalachari was a distinguished Indian politician, freedom fighter, statesman, and lawyer. He was India's last Governor-General and the first Indian to hold the position. He created the Swatantra Party and was one of the first winners of the Bharat Ratna, the nation's highest civilian honour. A keen watcher of international affairs. Rajagopalachari was hospitalised to the Government Hospital in Madras on December 17, 1972, with dehydration, uraemia, and a urinary infection. He died on December 25, 1972, at the age of 94.

Atal Bihari Vajpayee, born December 25, 1924, was an Indian politician who served as Prime Minister of India three times, first for 13 days in 1996, then for 13 months from 1998 to 1999, and then for a full term from 1999 to 2004. Vajpayee was a co-founder of the Bharatiya Janata Party and a key leader of the party (BJP). He was a member of the Hindu nationalist volunteer organisation Rashtriya Swayamsevak Sangh. He was the first Indian prime minister who was not a member of the Indian National Congress to fulfil a complete term. He is also well-known as a poet and writer.