Watt invented a separate condenser in 1765 to reduce the amount of waste produced by the Newcomen steam engine. Watt received a patent for the device in 1769. Watt and his business partner, Matthew Boulton, built two steam engines with separate condensers in 1776.

Amilcare, Benito Andrea Mussolini was an Italian politician and journalist who founded and led the National Fascist Party from 29 July 1883 to 28 April 1945. From the March on Rome in 1922 until his deposition in 1943, he was Prime Minister of Italy, and "Duce" of Italian Fascism from the establishment of the Italian Fasces of Combat in 1919 until his execution by Italian partisans in 1945. Mussolini and his mistress Clara Petacci left for Chiavenna in the afternoon of April 27, 1945, in the town of Dongo (Lake Como), shortly before the Allied army arrived in Milan. They were apprehended, however, by Italian communist partisans. After repeated failed attempts to transport them to Como, they were transported to Mezzegra. They spent their final night at the De Marias' home. The next day, April 28, Mussolini and his mistress were both assassinated, along with their fifteen-man train, which was primarily made up of Italian Social Republic ministers and bureaucrats. The scenes were shot in the little town of Giulino di Mezzegra.

Samantha Ruth Prabhu (born 28 April 1987) is an Indian actress who primarily works in the Telugu and Tamil film industries. She has received four Filmfare Awards South, six South Indian International Movie Awards, and two Andhra Pradesh State Nandi Awards. She has risen to prominence as a leading actress in Telugu and Tamil cinema. She was raised in Pallavaram, Chennai, Tamil Nadu, as the family's youngest child, alongside two older brothers, Jonathan and David, while learning Tamil. Despite her mixed ethnicity, she has identified herself as Tamilian. Samantha attended Holy Angels Anglo Indian Higher Secondary School as part of her education.

Adolf Hitler was a German politician of Austrian origin who ruled Germany from 1933 until his death in 1945. He rose to power as the leader of the Nazi Party. His last public appearance came on March 16, 1980, when he announced the winner of the American Film Institute award for the following year. The next month, on April 29, he died of renal failure in his Bel Air home.

The wedding of Prince William and Catherine Middleton took place at Westminster Abbey in London, United Kingdom, on April 29, 2011. The groom was second in line to the throne of the United Kingdom. The couple had been together since 2003. The service was presided over by John Hall, Dean of Westminster; Rowan Williams, Archbishop of Canterbury, conducted the marriage; Richard Chartres, Bishop of London, preached the sermon; and the bride's brother James read. Prince Harry served as William's best man, and the bride's sister Pippa served as maid of honour.

Raja Ravi Varma was an Indian painter and artist who lived from 29 April 1848 to 2 October 1906. He is regarded as one of the greatest painters in Indian art history. His works are among the best examples of fusing European academic art with a purely Indian sensibility and iconography. He was particularly notable for making affordable lithographs of his paintings available to the public, which significantly increased his reach and influence as a painter and public figure. His lithographs increased the involvement of the general public in fine arts and defined artistic tastes among the general public. In addition, his religious depictions of Hindu deities, as well as works from Indian epic poetry and Puranas, have received widespread acclaim.

Sir Alfred Joseph Hitchcock KBE was born on August 13, 1899, and died on April 29, 1980. He was an English filmmaker who was widely regarded as one of the most influential figures in cinema history. He was dubbed the "Master of Suspense" and became as well-known as any of his actors as a result of his numerous interviews, cameo appearances in most of his films, and hosting and producing the television anthology Alfred Hitchcock Presents. His last public appearance came on March 16, 1980, when he announced the winner of the American Film Institute award for the following year. The next month, on April 29, he died of renal failure in his Bel Air home.

Jessica Alba was born in Pomona, California on April 28, 1981 parents Catherine Louisa and Mark David Alba. Joshua, her younger brother, is her only sibling. Her mother worked as a lifeguard. Jessica Alba is an American actress best known for her performance in the television series 'Dark Angel.' Alba, a well-known actress now, has aspired to be one since she was a child. She was just five years old when she chose to follow her dream of being an actress! She won an acting competition when she was 11 years old, earning her a scholarship for acting training. This was a stepping stone in Alba's career that helped her to realise her aspirations. Her breakout performances in cinema and television occurred early in her career.

Irrfan Khan, also known simply as Irrfan, was an Indian actor who worked in both Indian and British and American films. Khan's career spanned over 30 years and earned him numerous accolades, including a National Film Award, an Asian Film Award, and six Filmfare Awards. Khan stated on Twitter in March 2018 that he has been diagnosed with a neuroendocrine tumour. He sought therapy in the United Kingdom for a year before returning to India in February 2019. On April 28, 2020, he was hospitalised to Mumbai's Kokilaben Dhirubhai Ambani Hospital, where he began treatment for a colon infection. He died the next day as a result of the illness. His mother, Saeeda Begum, had died just four days before in Jaipur at the age of 93. Less than 24 hours later, his D-Day co-star, actor Rishi Kapoor, died of leukaemia.

Bhanu Athaiya (28 April 1929 – 15 October 2020) was an Indian painter and costume designer. She was the only woman in the Bombay Progressive Artists' Group and the first Indian to win an Academy Award. Along with being Bollywood's most iconic costume designer, she had a historically significant early career as an artist, working alongside contemporaries such as M. F. Husain, F. N. Souza, and Vasudeo S. Gaitonde. Two of Bhanu Rajopadhye's paintings were included in the Bombay Progressive Artists' Group exhibition in 1953.

Sharman Joshi (born 28 April 1979) is an Indian actor and television presenter best known for his roles in Rang De Basanti, Golmaal, Dhol, and 3 Idiots . Joshi comes from a family of actors and performers who are Gujarati Brahmins. His father, Arvind Joshi, was a veteran of Gujarati theatre, and his aunt, Sarita Joshi (Bhosle), and cousins also performed in Marathi and Gujarati theatre. His sister, actress Manasi Joshi Roy, and brother-in-law, actor Rohit Roy, are both actors.

If you ask a movie enthusiast what the films 'Open Your Eyes,' 'The Girl of Your Dreams,' 'Vanilla Sky,' and 'Blow' have in common, the answer is Penelope Cruz! Penelope Cruz, a really charming Spanish actor of substance, sailed her way to the big screen with her extraordinary skills, compelling appeal, and smart technique. She began re-enacting actors at an early age, which laid the groundwork for her to pursue acting as a vocation. However, while chasing her aspirations, she was met with a slew of rejections, but she never gave up on her goal of being a renowned actress. Penelope Cruz is a Spanish actress and model who was born on April 28, 1974. She was signed by an agency at the age of 15 and had her television debut at the age of 16, followed by her first feature film, Jamón Jamón, the following year.

Uma Karuna Thurman (born April 29, 1970) is an actress, writer, producer, and model from the United States. She has appeared in a wide range of films, including romantic comedies and dramas, as well as science fiction and action films. Thurman's breakthrough role was Dangerous Liaisons (1988), in which she starred after appearing on the covers of British Vogue in December 1985 and May 1986. She rose to international prominence as Mia Wallace in Quentin Tarantino's 1994 film Pulp Fiction, for which she received Academy, BAFTA, and Golden Globe nominations for Best Supporting Actress. Often referred to as Tarantino's muse, she reteamed with the director to play The Bride in Kill Bill: Vol. 2.

Katherine Langford (born April 29, 1996) is a well-known Australian actress. After appearing in a number of independent films, she made her breakthrough as Hannah Baker in the Netflix series 13 Reasons Why, for which she received a Golden Globe nomination. She went on to star in the films Love, Simon and Knives Out, as well as the dark comedy Spontaneous, for which she received a Critics' Choice Super Award nomination, and the Netflix series Cursed. 

Ashish Nehra is a former Indian cricketer who was one of the country's top bowlers. He was born in Delhi on April 29, 1979. He bowls medium-fast with his left arm and bats right-handed. He was a member of the Indian side that won the ICC Cricket World Cup in 2011. He rose through the ranks as a result of his accomplishments in domestic cricket. He has represented the Delhi Ranji squad. His meteoric ascent began with the 2003 ICC Cricket World Cup. During the competition, he bowled some mesmerising spells. He had his greatest ODI bowling stats against England. He swung the ball both ways and took 6/23.

Nelle Harper Lee was born in Monroeville, Alabama on April 28, 1926. Lee's father was a lawyer who also served in the Alabama State Legislature. Her mother was mentally ill and spent much of her time inside the house. Harper Lee is the Pulitzer Prize-winning author of To Kill a Mockingbird. The novel quickly became a best-seller across the world and was made into an Academy Award-winning film in 1962. Despite the fact that Harper's contribution to literature has been restricted to one work, she has accomplished what many writers can only hope for after penning volumes.

Andre Kirk Agassi is a professional tennis player from the United States who is well-known for his eight Grand Slam wins and has always been the focus of attention due to his fashion sense and beautiful looks. He originally picked up a tennis racquet at the age of two and went on to play professional tennis as a teenager. He first refused to compete in Wimbledon due to the white clothing code and grassy court, but eventually changed his mind and went on to win multiple Grand Slam titles.

At a time when the World Bank declared that India had the world's biggest un-electrified population, Indian Prime Minister Narendra Modi's commitment to deliver dependable power to all pushed him into government in 2014. An assessment conducted a year after his victory revealed that 18,452 villages lacked power, and he vowed that every village would be connected within 1,000 days. It had been 988 days since that promise when Leisang, a little hamlet in the remote northeastern state of Manipur, was linked to the grid on April 28. Modi said it will be "remembered as a landmark day in India's growth journey."

Siddhant Chaturvedi (born 29 April 1993) is an Indian film actor who works primarily in Hindi films. From 2017 to 2019, he starred as a teenage cricketer in the Amazon Prime Video web series Inside Edge, and in 2019, he made his Bollywood debut as MC Sher, a street rapper in the musical drama Gully Boy (2019), which earned him widespread critical acclaim and nationwide recognition, as well as the Filmfare Award for Best Supporting Actor and a nomination for Filmfare Award for Best Male Debut.

According to historical sources, Georges Bouton "won the world's first motor race" on this day, April 29, 1887. But it was a hollow victory, and there was no champagne toast. What's the reason? Bouton and his co-driver were the sole participants. The unusual event was a test organised by the newspaper "Le Velocipede" to determine if Bouton's machine, which promised speeds of 60kmph, could cover the 29-kilometer distance between Paris' Neuilly Bridge and the Bois de Boulogne. Bouton, who was born in 1847, was an engineer who scraped a living by creating and selling mechanical toys alongside another engineer, Charles Trépardoux. They had long wished to construct a steam automobile but lacked the necessary funds to do so.

Daniel Michael Blake (Sir) Day-Lewis (born 29 April 1957) is a retired English actor. He was often described as one of the preeminent actors of his generation, and he received numerous accolades throughout his four-decade career, including three Academy Awards for Best Actor, making him the first and only actor to have three wins in that category, and the third male actor to win three competitive Academy Awards for acting, ranking him sixth overall. He has also won two Golden Globes, three Screen Actors Guild Awards, and four British Academy Film Awards. Day-Lewis was knighted in 2014 for his contributions to drama.

Dipika Chikhlia Topiwala is an Indian actress best known for her role as Devi Sita in Ramanand Sagar's television series Ramayan, as well as her work in other Indian television programmes. She was also recognised for her breakthrough film Sun Meri Laila, in which she starred alongside Raj Kiran, as well as three Hindi films starring Rajesh Khanna: Rupaye Dus Karod, Ghar Ka Chiraag, and Khudai. Deepika Chikhalia was born in Mumbai, India on April 29, 1965.

Jerome Allen Seinfeld (born April 29, 1954) is a stand-up comedian, actor, writer, and producer from the United States. He is best known for his role as a semi-fictionalized version of himself in the sitcom Seinfeld, which he co-created and co-wrote with Larry David. From 1989 to 1998, the show aired on NBC, becoming one of the most acclaimed and popular American sitcoms of all time. Seinfeld specialises in observational comedy as a stand-up comedian. He was named the 12th greatest stand-up comedian of all time by Comedy Central in 2004.