Guglielmo Giovanni Maria Marconi (25 April 1874 – 20 July 1937) was an Italian inventor and electrical engineer best known for developing the first practical radio wave-based wireless telegraph system. As a result, Marconi is widely regarded as the inventor of radio, and he shared the Nobel Prize in Physics in 1909 with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy." Marconi was also a businessman and entrepreneur who founded The Wireless Telegraph & Signal Company in the United Kingdom in 1897. (which became the Marconi Company). King Victor Emmanuel III of Italy ennobled Marconi as a Marchese (marquis) in 1929, and in 1931, he established Vatican Radio for Pope Pius XI.

Vinod Khanna was a film actor turned politician who served as the Member of Parliament for Gurdaspur. In Peshawar, British India, he was born into a Punjabi Hindu household to Kamla and Krishan Chand Khanna (now in Pakistan). He was the eldest of four siblings, with three sisters and one brother. Shortly after his birth, India was partitioned, and the family relocated from Peshawar to Mumbai. On 2 April 2017, Khanna was admitted to the Sir H.N. Reliance Foundation Hospital and Research Center in Gurgaon, Mumbai, for a few weeks after suffering from acute dehydration. He passed away on April 27th.

"Arrey Bhagyawan Dekho Taar Aya Hai!" was a typical conversation in many Indian families throughout the 1950s. Since the 1850s, the telegraph service, popularly known as 'Taar,' has been the backbone of India's telecommunications service. Whether it was a birth, funeral, wedding, job, unemployment, war, or accident, the telegraph impacted every element of Indian life. The British invented the telegram, among other things, in the 1850s, and it proved to be the beginning of communication in India. Today is significant because it was on this date in 1854 that the first telegraph was delivered from Mumbai to Pune.

Varun Dhawan was born in Mumbai, Maharashtra, India on April 24, 1987. David Dhawan, his father, is a well-known film director. Karuna Dhawan is his mother's name. Rohit, his elder brother, is a film director. Varun Dhawan is a well-known Indian actor. He is regarded as one of the highest-paid celebrities in the country. Varun made his acting debut with Sidharth Malhotra and Alia Bhatt in Karan Johar's 2012 adolescent drama film "Student of the Year," for which he won a Filmfare nomination for Best Male Debut.

Gedhun Choekyi Nyima was born on April 25, 1989, and is the 11th Panchen Lama of the Gelugpa school of Tibetan Buddhism, as recognised and announced by the 14th Dalai Lama on May 14, 1995. Three days later, on May 17, the Chinese government kidnapped the 6-year-old Panchen Lama after the State Council of the People's Republic of China failed to install a replacement. A Chinese substitute is viewed as a political tool to undermine the Dalai Lama's reincarnation, which is traditionally recognised by the Panchen Lama. Gedhun Choekyi Nyima, along with his family, has been detained by the Chinese government in an undisclosed location since 1995. Chadrel Rinpoche, his khenpo, and Jampa Chungla, another Gelugpa monk, were also detained.

Sachin Ramesh Tendulkar is a former Indian cricketer who was born in Bombay, Maharashtra on April 24, 1973. He is recognised as one of the top batters in the world. He is a part-time bowler capable of bowling both off and leg breaks. Sachin was primarily a right-handed opening batter who also batted in the middle order. He holds the record for the most runs scored in both Test and ODI cricket. He was the first batter in white ball history to reach a double century. Even though he was barely 5 feet 5 inches tall, he hooked the ball as well as a tall Mohinder Amarnath.

The National Defence College (NDC), headquartered in New Delhi, is India's premier educational institution for the study and practise of national security and strategy. It was founded in 1960 and has since garnered a reputation for quality and international fame. It is committed to the intellectual growth and strategic enculturation of chosen senior officers from India's military forces and civilian government services, as well as those from other nations, in preparation for greater leadership roles and responsibilities. The historic event was scheduled for 10 a.m. on Wednesday, April 27, 1960. While inaugurating the College, the Prime Minister delivered his famous phrase, which became the College's motto.

Maharaja Sir Hari Singh was the princely state of Jammu and Kashmir's final governing Maharaja. Hari Singh was Amar Singh and Bhotiali Chib's son. Following his uncle's death in 1923, Singh ascended to the throne of Jammu and Kashmir. Nehru and Abdullah plotted to expel Singh from Jammu and Kashmir, forcing him to live in exile in Bombay. Singh spent the last few days of his life in Bombay. After fourteen years in exile, he died on April 26, 1961. His ashes were carried to Jammu, dispersed around Jammu and Kashmir, and immersed in the Tawi River in Jammu, as per his wishes.

Arijit Singh (born April 25, 1987) is an Indian singer-composer. He primarily sings in Hindi and Bengali, but he has also performed in a number of other Indian languages. He has received a National Award as well as a record six Filmfare Awards. He is frequently cited as one of the best singers in the Indian and Pakistani music industries, and he has a large fan base across South Asia. He is also referred to as the "King of Playback Singing." Singh began his career in 2005, when he appeared on the popular reality show Fame Gurukul.

Jet Li was born on April 26, 1963, in Beijing, China, as Li Lianjie. He is the youngest of four siblings and was just two years old when his father died. Jet Li, one of Hollywood's most well-known Asian actors, is recognised for his outstanding 'wushu' (Chinese martial arts) demonstrations. Li, like other well-known Asian performers such as Bruce Lee and Jackie Chan, has built a name for himself in the American entertainment business. He has been in a variety of films, some of which have received critical acclaim. Li began as a wushu practitioner, winning a national championship when he was 11 years old. As he traversed the world showing his abilities, a rich offer to work in movies came his way.

Despite having minimal formal math instruction, Srinivasa Ramanujan was an Indian mathematician who made significant contributions to mathematics, including breakthroughs in number theory, analysis, and infinite series. Srinivasa Ramanujan died on April 26, 1920, at the age of 32, in Madras. Hepatic amoebiasis, caused by liver parasites widespread in Madras, was most likely the cause of his death. His remains were cremated.

Melania Trump was born in Slovenia on April 26, 1970. She began what would soon become a hugely successful modelling career at the age of 16, appearing in several high-profile commercial campaigns and working with some of the fashion industry's greatest photographers. Mrs. Trump relocated to New York in 1996, and ten years later, she happily became a US citizen. Mrs. Trump has always been involved in her neighbourhood. Mrs. Trump served as Chairwoman of the American Heart Association in 2010, raising $1.7 million for research. That same year, she debuted her own jewellery line.

On April 27, 1791, in Charlestown, Massachusetts, Samuel F.B. Morse was born, the first child of famed geographer and Congregational clergyman Jedidiah Morse and Elizabeth Ann Finley Breese. His parents were devoted to his education and the Calvinist beliefs. Except for his passion in painting, his early schooling at Phillips Academy in Andover, Massachusetts, was unremarkable. Samuel Finley Breese Morse is best known as the creator of the telegraph and Morse Code, but his true passion was painting. When his teenage interest in electronics returned, he was a well-established artist, leading to the communications invention that revolutionised humanity until it was overtaken by the telephone, radio, television, and, eventually, the internet.

Channing Tatum was born in Cullman, Alabama to Glenn and Kay Tatum. His father worked for a construction company, and his mother for an airline. Channing Tatum is a well-known American actor who has delivered a streak of blockbusters in recent years. He was a fantastic athlete growing up, and football was his initial career option. After he gave up football and dropped out of college, he took on a series of odd jobs. Tatum received a break as a model thanks to a stroke of luck, and she hasn't looked back since. He went on to represent major companies, and it was while travelling for advertising projects that he discovered his true calling, acting.

To commemorate the occasion, the state-owned television network shared the video above on its official Twitter account, which depicts its famed revolving logo — in colour. "On April 25, 1982, Doordarshan began the test run of India's first colour transmission," the caption says. This was a huge accomplishment at the time since it revolutionised television viewing for Indian viewers. This enabled sports enthusiasts to watch the Asian Games in colour that year. Soon after, Doordarshan debuted the first Indian soap opera, Hum Log, followed by blockbusters such as the Ramayana and the Mahabharata.

Alfredo James Pacino, born April 25, 1940, is a well-known American actor and director. Throughout his five-decade career, he has received numerous honours, including an Academy Award, two Tony Awards, and two Primetime Emmy Awards, making him one of the few actors to have won the Triple Crown of Acting. He has also received the Academy of Motion Picture Arts and Sciences Life Achievement Award, the Cecil B. DeMille Award, and the National Medal of Arts.

Schwarzenegger married Shriver in Hyannis, Massachusetts on April 26, 1986. The service was officiated by Rev. John Baptist Riordan at St. Francis Xavier Catholic Church. Their children were all born in Los Angeles. The family resided in an 11,000-square-foot mansion in Los Angeles' Brentwood area, with vacation residences in Sun Valley, Idaho, and Hyannis Port, Massachusetts. They were members of St. Monica's Catholic Church.