Guru Har Krishan was the eighth and final Sikh Guru. When he replaced his father Guru Har Rai as a five-year-old on October 7, 1661, he became Sikhism's youngest guru. When Har Krishan's father, the seventh Sikh Guru, died at the age of 31, he selected Har Krishan as his successor. Guru Har Krishan was exceptionally smart and mature for his age, despite the fact that he was just a tiny child when he donned the Guru Gaddi. On March 30, 1664, the guru just muttered, "Baba Bakala," before passing away. His granduncle Tegh Bahadur, who lived in the town of Baba Bakala, was named as his heir.

Anupam Roy (born 29 March 1982) is a West Bengal-born Indian singer, writer, composer, and playback vocalist. Anupam Roy, a significant personality in the Bengali cinema industry, is an Indian lyricist, music composer, and performer from Kolkata, West Bengal. Anupam, who came to prominence with his song 'Amake Amar Moto Thake Dao' in the Bengali film Autograph in 2010, made his Bollywood debut in 2015 with the Amitabh Bachchan-starrer Piku.

Alaska Purchase, the acquisition of 586,412 square miles of territory near the northern extremity of the North American continent by the United States from Russia, forming the modern U.S. state of Alaska. On March 30, 1867, the treaty was presented to the Senate for approval. Sen. Charles Sumner, an early opponent, testified in its favour for more than three hours, influenced in part by knowledge about the territory's enormous natural resources acquired during Smithsonian Institution-sponsored trips in 1859 and 1865. It was passed on April 9. On October 18, the United States officially gained possession with a flag-changing ceremony in Sitka.

Logan Alexander Paul (born April 1, 1995) is a YouTuber and social media personality from the United States. He has been running the Impaulsive podcast since November 2018, in addition to posting on his own YouTube channel, and he currently has more than 23 million subscribers on YouTube as of January 2022. Paul amassed a following in 2013 after posting sketches on the video-sharing app Vine. On October 18, 2013, he launched his YouTube channel, TheOfficialLoganPaul, and began posting regularly after the Vine app was discontinued. On August 29, 2015, he launched the Logan Paul Vlogs channel, which has since become his most-subscribed YouTube channel.

Meira Kumar (born 31 March 1945) is a politician and former diplomat from India. She was the Minister of Social Justice and Empowerment from 2004 to 2009, the Minister of Water Resources for a brief while in 2009, and the 15th Speaker of the Lok Sabha from 2009 to 2014. Kumar became became the second woman to be nominated for president of India by a major political party when she received the candidacy of the United Progressive Alliance in 2017. Kumar has already served in the 8th, 11th, 12th, and 14th Lok Sabhas before being elected to the 15th Lok Sabha. Kumar was named as the top opposition parties' joint presidential candidate for the 2017 presidential election.

Guru Angad, who lived from 31 March 1504 to 29 March 1552, was the second of Sikhism's ten gurus. After meeting the founder of Sikhism, Guru Nanak Dev Ji, becoming a Sikh, and serving and working with Guru Nanak Dev Ji for many years, Nanak gave Lehna the name Angad ("my own limb") and designated Angad as the second Sikh Guru. Guru Angad Sahib ji headed the Sikh heritage after Guru Nanak Dev Ji died in 1539. In Sikhism, he is known for adopting and formalising the Gurmukhi alphabet. He began the task of collating Nanak's hymns and contributed 62 or 63 of his own.

Sir Isaac Newton, who lived from 25 December 1642 to 31 March 1726/27, was an English mathematician, physicist, astronomer, alchemist, theologian, and author (dubbed a "natural philosopher" at the time) who is widely regarded as one of the greatest mathematicians and physicists of all time and among the most influential scientists. 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.

The Reserve Bank of India is India's central bank and regulatory agency, in charge of issuing and supplying the Indian rupee as well as regulating the Indian banking sector. It also oversees the country's key payment systems and seeks to promote the country's economic development. Note of the Bharatiya Reserve Bank Mudran is one of the RBI's specialised departments that mints Indian bank notes and coins. The Reserve Bank of India formed the National Payments Corporation of India as one of its specialised divisions to regulate India's payment and settlement systems. The Reserve Bank of India formed the Deposit Insurance and Credit Guarantee Corporation as one of its specialised divisions for the aim of insuring deposits and guaranteeing credit facilities for all Indian banks. In compliance with the Reserve Bank of India Act, 1934, it began operations on April 1, 1935.

Meena Kumari (born Mahjabeen Bano; lived from 1 August 1933 – 31 March 1972 was an Indian cinema actress and poet. She was well known as The Tragedy Queen and lived from 1939 and 1972. Critics referred to Kumari as a "historically unparalleled" Hindi film actress. She appeared in 92 films during the course of her 33-year career, including Sahib Bibi Aur Ghulam, Pakeezah, Mere Apne, Aarti, Baiju Bawra, Parineeta, Dil Apna Aur Preet Parai, Foot Path, Dil Ek Mandir, and Kaajal. Meena Kumari received four Filmfare Awards for Best Actress. She won the first Filmfare Best Actress Award for Baiju Bawra in 1954, and she repeated the feat in the second Filmfare.

Jaswinder Singh Bains (born 1 April 1975) is an Indo-Canadian Punjabi singer and composer better known by his stage name Jazzy B. Jazzy B was born in the Indian city of Jalandhar, Punjab. His family relocated to Surrey, British Columbia, Canada, when he was five years old. Gugiyan Da Jora, his debut album, was released in 1993. Sukhshinder Shinda played the beat, and he advised him to come to England if he wanted to make a name for himself in Punjabi music. He is a major fan of the late vocalist Kuldeep Manak, which is one of the reasons Jazzy's album, Maharajas, published in 2011, is a homage to Kuldeep Manak, with some of Kuldeep's original vocals kept and many other songs sung.

Sheila Dikshit (March 31, 1938 – July 20, 2019)  was an Indian politician. She was the longest-serving Chief Minister of Delhi, as well as the longest-serving female Chief Minister of any Indian state, commencing in 1998. In Delhi, Dikshit led the Congress party to three consecutive electoral triumphs. She is known as the modern Delhi's architect. Dikshit lost the Delhi Legislative Assembly elections in December 2013 to the Bharatiya Janata Party, however the Aam Aadmi Party created a minority administration with outside backing from the INC, with Arvind Kejriwal as chief minister. In 2014, she served as the Governor of Kerala for a limited period of time. Dikshit was later named the Indian National Congress's chief ministerial candidate.

Asa Maxwell Thornton Farr Butterfield is an English actor who was born on April 1, 1997. He has received two Critics' Choice Awards, two Saturn Awards, and three Young Artist Awards nominations. Butterfield began his career as a child actor and rose to prominence as the lead in the historical drama film The Boy in the Striped Pyjamas (2008). During the 2010s, he continued to be a box office draw, appearing in the adventure drama Hugo (2011), the war science fiction film Ender's Game (2013), the drama X+Y (2014), and the fantasy Miss Peregrine's Home for Peculiar Children (2016). Butterfield began playing the lead in the Netflix comedy-drama series Sex Education in 2019.

Project Tiger is a tiger conservation effort initiated by the Government of India in April 1973, during Prime Minister Indira Gandhi's reign. The initiative seeks to provide a sustainable population of Bengal tigers in their native habitats, protect them from extinction, and preserve regions of ecological value as a natural legacy that represent the diversity of ecosystems across the country's tiger range. The task group for the project envisioned these tiger reserves as breeding centres from which surplus tigers would move to neighbouring forests. Funds and commitment were raised to support the project's extensive habitat conservation and rehabilitation effort.

Google Gmail is a free email service offered by Google. It had 1.5 billion active users globally as of 2019. Gmail is normally accessed using a web browser or the official mobile app. Google also supports email clients that use the POP and IMAP protocols. Gmail was launched on April 1, 2004, with one gigabyte (GB) of storage capacity, which was much more than competitors supplied at the time.

Randal Keith "Randy" Orton (born April 1, 1980) is a professional wrestler and actor most known to sports entertainment audiences for his work with WWE. Orton was born in Knoxville, Tennessee, to parents Bob Orton, Jr. and Elaine Orton. He is the grandson of wrestler-turned-musician Bob Orton, Sr. and the nephew of wrestler-turned-musician Barry Orton. His parents discouraged him from pursuing a career in professional wrestling because of the significant amount of time spent away from home and family. Orton, on the other hand, continued to wrestle on an amateur level while attending Hazelwood Central High School, and the rest is history.

Rajasthan is known as the "Land of Kings" or "Land of Kingdoms" since it is the largest state in terms of land area. It is located in the country's northwest and has a diverse cultural population. When Rajputana was absorbed into the Dominion of India on March 30, 1949, the state was constituted. Jaipur, the state's biggest city, was designated as its capital. Ajmer State, Hadoti, Dhundhar, Gorwar, Shekhawati, Mewar, Marwar, Vagad, and Mewat are the nine regions of Rajasthan. Both in terms of historical and creative contribution, these locations are equally rich. Rajasthan has a history that spans back 5000 years. Rajasthan was made up of previously autonomous kingdoms that had a rich architectural and cultural legacy.

Devika Rani, the first lady of Indian film, was born on March 30, 1908 in Vishakhapatnam, Andhra Pradesh to Col. M. N. Chaudhuri. She is known as the "First Lady of Indian Cinema." The actress was married twice, first to Himanshu Rai and then to Svetoslav Roerich. Devika began her career with the film Karma (1933) and went on to appear in numerous other Bollywood films. She received the highest civilian honour, the Padma Shri, and was the first winner of the Dada Saheb Phalke Lifetime Achievement Award.

Celine Dion was born on March 30, 1968, in Charlemagne, Québec, a small hamlet 50 kilometres northwest of Montréal. Thérèse Tanguay and Adhémar Dion had 14 children. The Dions were a simple family with meagre finances, but they never lacked affection. Celine's mother had to put her youngest kid to sleep in a drawer since the house was so crowded. She penned her first song, "Ce n'est qu'un rêve," when she was 12 years old, with the support of her mother and brother Jacques. But that was most emphatically not a dream! And, due to her mother, that dream was beginning to come true.

Vincent van Gogh was born in Zundert, a hamlet in the southern province of North Brabant, on March 30, 1853. Little is known about Vincent's childhood, save that he was a shy youngster with no noticeable creative skill. He will subsequently look back on his pleasant upbringing with fondness. No one, not even Van Gogh, knew that he possessed outstanding abilities when he decided to become an artist. His transformation from an unskilled but zealous novice to a really original master was astonishingly quick. He ultimately demonstrated an excellent sense for bright, harmonising colour effects, as well as an unerring eye for selecting basic yet memorable compositions.

The Eiffel Structure is a wrought-iron lattice tower on Paris's Champ de Mars. It is named after the engineer Gustave Eiffel, whose firm planned and constructed the skyscraper. It was built from 1887 to 1889 as the centrepiece of the 1889 World's Fair and was initially attacked by some of France's finest artists and thinkers for its design, but it has since become a global cultural symbol of France and one of the world's most recognisable monuments. On March 30, 1885, Eiffel presented his ideas to the Société des Ingénieurs Civils; after outlining technical issues and emphasising the tower's practical applications, he concluded his speech by stating that the tower would symbolise France.

Marvin Gaye was an American singer and composer who lived from April 2, 1939 until April 1, 1984. In the 1960s, he helped establish the sound of Motown, first as an in-house session musician and subsequently as a solo artist with a run of singles, earning him the nicknames "Prince of Motown" and "Prince of Soul." On the afternoon of April 1, 1984, Gaye intervened in a fight between his parents in the family house in Los Angeles' Hancock Park district, and he became involved in a physical altercation with his father, Marvin Gay Sr., who shot Gaye twice, once in the chest, piercing his heart, and then into Gaye's shoulder. The first shot was lethal.

Guru Tegh Bahadur (April 1, 1621 – November 11, 1675) was the ninth of ten Gurus who created the Sikh religion and the Sikh leader from 1665 until his execution in 1675. He was the youngest son of Guru Hargobind, the sixth Sikh guru, and was born in Amritsar, Punjab, India in 1621. He was a skilled spiritual scholar and poet whose 115 songs are included in Sri Guru Granth Sahib, the basic book of Sikhism. Aurangzeb, the sixth Mughal emperor, had Guru Tegh Bahadur killed in Delhi, India. Sikh sacred sites in Delhi, Gurudwara Sis Ganj Sahib and Gurdwara Rakab Ganj Sahib, mark the locations of execution and cremation.

On March 29, 1857, at the Barrackpore parade field outside Calcutta, 29-year-old Mangal Pandey of the 34th BNI stated his intention to revolt against his superiors, incensed by the East India Company's previous acts. Sergeant-Major James Hewson went to investigate after being informed of Pandey's behaviour, only to be shot at by Pandey. Hewson had sounded the alarm. When Pandey's adjutant, Lt. Henry Baugh, arrived to investigate the commotion, he opened fire, but instead struck Baugh's horse.