Clara, Clarissa Harlowe Barton, is one of the most celebrated ladies in American history. She followed a brave career of service to aid people in need, guided by a passionate dedication to helping others. Clara is regarded as a visionary whose humanitarian attitude helped alter the world as the creator of the American Red Cross. Clara formed the American Red Cross on May 21, 1881, and by 1882, the United States had signed the Geneva Conventions, which still protect the war-wounded and civilians in crisis zones today. This culminated in a legislative charter in the United States legally recognising Red Cross services.

Earhart became the first woman, and the only person after Charles Lindbergh, to fly nonstop and alone across the Atlantic on May 21, 1932. She took off from Harbor Grace, Newfoundland, Canada, in this crimson Lockheed Vega and arrived 15 hours later in Londonderry, Northern Ireland. The achievement made Earhart an immediate international star and demonstrated her bravery and ability as a pilot. Later that year, Earhart set another record with the Vega. On August 24–25, she flew solo, nonstop across the United States, from Los Angeles to Newark, New Jersey, in roughly 19 hours.

Bipin Chandra Pal (7 November 1858 – 20 May 1932) was an Indian nationalist, writer, orator, social reformer, and freedom fighter in the Indian independence movement. He was one of three members of the "Lal Bal Pal" triumvirate. Pal, along with Sri Aurobindo, was a key architect of the Swadeshi movement. He also opposed the British colonial government's partition of Bengal.

Malhar Rao Holkar (16 March 1693 – 20 May 1766) was a Maratha Empire noble subedar in modern-day India. He was one of the first officers, along with Ranoji Sindhia, to help spread Maratha rule to the northern states, and he was given the estate of Indore to rule by the Peshwas during the reign of Maratha emperor Shahu I. He died on May 20, 1766, in Alampur. Khanderao Holkar's only son had already died in 1754 during the seizure of Kumher by the Jat maharaja Suraj Mal of Bharatpur State.

It was appropriately titled. Agni. On May 22, at exactly 7.17 a.m., Agni erupted into a chariot of fire, propelling India into an elite club controlled by the world's technical and military behemoths. Agni, India's first Intermediate Range Ballistic Missile (IRBM), has been postponed twice before launch at the Chandipur Interim Test Range on the Orissa coast.

Bastón and Longoria met in Mexico City on a blind date organised by a mutual acquaintance; at the time, Bastón had no idea who Longoria was and initially denied the request to see her due to his busy schedule. On May 21, 2016, the pair married in Mexico. According to a source, the pair married after sunset in Valle de Bravo, Mexico, a lakeside village about 88 miles from Mexico City. According to prior reports, the couple held their party at Baston's house and celebrated with fireworks. Among the approximately 80 guests who enjoyed cocktails and a live performance by Pro Down were Ricky Martin, Mario Lopez, Melanie Griffith, and Victoria and David Beckham.

Vasco da Gama (1460s – 24 December 1524) was a Portuguese explorer and the first European to sail to India. His first voyage to India via the Cape of Good Hope (1497–1499) was the first to connect Europe and Asia via an ocean route, connecting the Atlantic and Indian oceans, and thus the West and the Orient. Da Gama landed in Calicut on May 20, 1498, after decades of sailors attempting to reach the Indies, with thousands of lives and dozens of vessels lost in shipwrecks and attacks. Unrestricted access to the Indian spice routes boosted the Portuguese Empire's economy, which was previously based in northern and coastal West Africa.

Margaret Denise Quigley was born on May 22, 1979, in Honolulu, Hawaii, to a Vietnam veteran and his property investor wife. Her father, who is of Irish and Polish descent, met her Vietnamese mother while serving in the military in Vietnam. She has two older sisters and two half-siblings from her mother's previous marriage. Margaret Denise Quigley is a film and television actress from the United States. She is better known by her stage name Maggie Q. She had originally planned to become a veterinary scientist, but owing to her family's financial constraints, she was unable to do so. She made her television debut in the drama 'House of the Dragon' in 1998. She starred in her debut feature film, 'Model from Hell,' two years later.

A period when climbing Everest was uncrowded and unpolluted, when attempts were at the absolute edges of human endurance. After two failed efforts by the Indian Army, it was eventually on May 20, 1965, that an Indian walked upon the world's highest peak, Mount Everest, for the first time. He ascended the SE Ridge after successfully conquering the peak with Sherpa Nawang Gombu. At the time, he was a Captain in the Parachute Regiment, and he was eventually promoted to Colonel. Colonel Cheema received the Arjuna Award as well as the highest civilian honour, the Padma Shri, for his great efforts.

Windows 3.0 is a Microsoft Windows version that was released on May 22, 1990. It, like its predecessors, is an operating system that runs on top of MS-DOS. Work on Windows 3.0 began at Microsoft in 1988, when David Weise and Murray Sargent decided separately to create a protected mode for Windows applications to allow reliable multitasking. Protected memory only supported DOS applications in older versions of Windows 2.xx for 386 CPUs. The team put together a crude prototype that could concurrently run Windows versions of Word, Excel, and PowerPoint, then presented it to business management, who were impressed enough to authorise it as an official project.

Sushmita Sen (born November 19, 1975) is an Indian actress, model, and Miss Universe 1994 winner. She is the first Indian woman to win the Miss Universe title. At the age of 18, she was crowned Femina Miss India 1994. She has worked as a film actress since winning the Miss Universe pageant. Sen won the Filmfare Award for Best Supporting Actress for her work in the comedy Biwi No.1, and she was also nominated for her roles in the dramas Sirf Tum and Filhaal. Aankhen, Main Hoon Na, and Maine Pyaar Kyun Kiya? are among her commercially successful films.

The legendary and massively successful Pac-Man video game was released in Japan on May 21, 1980, and in the United States in October of same year. Pac-Man, the yellow, pie-shaped creature that wanders through a maze trying to eat dots while avoiding four pursuing ghosts, swiftly became a 1980s icon. Pac-Man is still one of the most popular video games in history, and its creative design has inspired several books and scholarly studies.

The Battle of the Granicus, fought in May 334 BCE, was Alexander the Great's (356-323 BCE) first significant victory over the Achaemenid Empire's soldiers. Alexander had crossed the Hellespont with his united Macedonian and Greek army and landed on Anatolia's coasts. His mission was straightforward: to fight Darius III and capture the huge Persian Empire. He got his first opportunity in May 334 BCE, when he met the Persians on the banks of the Granicus River. Following his triumph over his satraps, he would face Darius in combat twice more, first at the Battle of Issus and later at the Battle of Gaugamela.

Ang Dorje and a few other climbers joined the team to reach the summit of Mount Everest on May 22, 1984; Bachendri was the only woman in this group. They arrived at the South Col and spent the night at Camp IV at an elevation of 26,000 feet. At 6:20 a.m. on May 23, 1984, they resumed their trek, climbing "vertical sheets of solid ice" with frigid winds gusting to 100 km/h and temperatures ranging from 30 to 40 °C. At 1:07 p.m. on May 23, 1984, the crew reached the top of Mount Everest, and Bachendri Pal made history. She accomplished this on the day before her 30th birthday.

Sher Shah Suri established the Sur Empire in North India. After seizing control of the Mughal Empire in 1540, he established a new civic and military administration as well as various financial and postal changes. He restructured the empire and resurrected Patna, the old city of Pataliputra that had declined since the 7th century CE. Sher Shah Suri was born in 1486 as Farid Khan in Sasaram, Rohtas district, Bihar, India. His grandfather, Ibrahim Khan Suri, was a land lord in the Narnaul district, while his father, Mian Hassan Khan Suri, was a horse breeder and a significant member in Bahlul Khan Lodi's government.

Mehbooba Mufti made her political debut in 1996, when she won the assembly elections. She was elected to the lower house of Parliament from Anantnag seat in 2004 after serving two consecutive terms as MLA of Kashmir. She was re-elected as the Member of Parliament for Anantnag in 2014, a position she held till she resigned in 2016 to become Chief Minister of Kashmir. With the backing of the BJP, she took her oath and became the first woman Chief Minister of Jammu and Kashmir in 2016. She was in power for two years before resigning due to the loss of the BJP's support and the premature collapse of the coalition government in Kashmir.

Aditya Chopra, the oldest son of famous filmmakers Yash Chopra and Pamela Chopra, was born in 1971. He had been a big movie fan since he was a kid. He began his cinematic career as an assistant to his father. Aditya Chopra directed his debut film, 'Dilwale Dulhania Le Jayenge,' at the age of 23. DDLJ, as it is known across the world, was released on October 20, 1995 and became a landmark in Indian film. In addition to directing, he was in charge of the story, script, and language. Under Aditya Chopra, Yash Raj Films is on its way to become India's first really comprehensive movie company, as well as one of the worldwide filmmaking giants.

Mohanlal Viswanathan (born 21 May 1960) is an Indian actor, film producer, playback singer, television host, and film distributor who primarily works in Malayalam cinema but has also appeared in Tamil, Hindi, Telugu, and Kannada-language films. Mohanlal has had a prolific career spanning four decades, in which he has appeared in over 400 films. Mohanlal's contributions to Malayalam cinema have been lauded by his Indian film industry contemporaries. For his contributions to Indian cinema, the Government of India awarded him the Padma Shri in 2001 and the Padma Bhushan in 2019, India's fourth and third highest civilian honours. He was the first actor in India to be awarded the honorary rank of Lieutenant Colonel in 2009.

Rajiv Gandhi was set to speak at an electoral rally in Sriperumbudur. He was in such a rush to get there that he travelled without his personal security chief from Vishakhapatnam. Rajiv Gandhi arrived at Sriperumbudur around 10.10 p.m. on May 21, 1991. A large crowd had gathered to greet Rajiv Gandhi. A song was playing that praised Rajiv Gandhi and invoked the name of his mother, Indira Gandhi. "Don't be concerned. Take it easy, "Rajiv Gandhi told Anusuya, a policewoman. This was his final statement. A few seconds later, Rajiv Gandhi's own seven-year-old prophesy came true. Dhanu, an LTTE suicide bomber, detonated the explosives on May 21, 1991, as she bent to touch Rajiv Gandhi's feet and the former prime minister sought to raise.

Christopher Columbus was an Italian explorer and navigator who completed four voyages across the Atlantic Ocean, paving the way for widespread European exploration and colonisation of the Americas. He was born between 25 August and 31 October 1451 and died on 20 May 1506. His expeditions were the first European contacts with the Caribbean, Central America, and South America, and were sponsored by the Catholic Monarchs of Spain.

Microsoft revealed the Xbox One on May 21st, with a release date of the end of 2013. While the name was kept under wraps, the Xbox One announcement verified many of the theories that had been floating about for months, if not years. These include live TV support, a new Kinect, enhanced specs, and a slew of new next-generation titles – but there are still a slew of issues Microsoft must answer regarding the One before gamers can get a full image of the company's latest platform. Microsoft capitalised on what made the Xbox so successful in the first place: streaming entertainment and huge franchises such as Call of Duty and Halo. The latter even had its own TV show.