June 21 has been marked by military victories, political milestones, scientific achievements and cultural landmarks across centuries. The date witnessed Hannibal's famous victory over Rome at Lake Trasimene, the Battle of Vitoria that weakened Napoleon's influence in Spain, and the end of organised Japanese resistance on Okinawa during World War II. It also saw the debut of the world's first Ferris wheel, the emergence of Greenland's expanded self-government and Brazil's historic third FIFA World Cup triumph. From constitutional developments and technological innovations to influential births and major sporting moments, June 21 holds a notable place in world history. 217 BC: Hannibal wins at Lake Trasimene Carthaginian general Hannibal defeated a Roman army led by Consul Gaius Flaminius during the Battle of Lake Trasimene in the Second Punic War. Flaminius was killed in the conflict. The battle stands as one of Hannibal's most significant victories against Rome. 68: Vespasian captures Jericho Roman General Vespasian conquered Jericho during the Great Jewish Revolt. The victory strengthened Roman military control during the uprising and marked an important development in the campaign. 1529: Catherine of Aragon opposes annulment Queen Catherine of Aragon spoke against the annulment of her marriage at the Blackfriars Legatine Court. Her appearance became a significant moment in the dispute surrounding the royal marriage.1547: Great fire devastates Moscow A major fire destroyed roughly one-third of Moscow, which was largely built of wood at the time. The disaster claimed between 2,000 and 3,000 lives and became one of the city's most destructive fires. 1779: Spain declares war on Great Britain Spain formally entered the conflict against Great Britain. The declaration added another major European power to the war and altered the balance of forces involved. 1788: US Constitution takes effect The US Constitution came into effect after New Hampshire became the ninth state to ratify it. The ratification marked a defining step in the establishment of the constitutional framework of the United States. 1813: Battle of Vitoria weakens Napoleon's rule in Spain The Battle of Vitoria was fought during the Peninsular War. The outcome broke Napoleon's power in Spain, making it a significant turning point in the conflict.1834: Cyrus McCormick patents reaping machine American inventor and businessman Cyrus McCormick received a patent for the reaping machine. The invention represented an important advancement in agricultural technology.1870: Tianjin Massacre erupts The Tianjin Massacre, described as a violent outbreak of Chinese xenophobic sentiment toward Westerners, took place. The incident became a notable episode in relations between China and foreign powers.1893: World's first Ferris wheel opens The world's first Ferris wheel opened to the public at the World's Columbian Exposition in Chicago. Designed by George Washington Gale Ferris Jr., the 264-foot-tall revolving steel structure could carry 2,160 passengers at a time. The attraction became the exposition's biggest success, drawing more than one million riders before the fair closed.1916: Mexican troops defeat US expeditionary force Mexican troops defeated a US expeditionary force under General Pershing. The engagement represented a significant military setback for the American force.1919: German fleet scuttled at Scapa Flow Members of the German Navy sank most of their ships interned at Scapa Flow in the Orkney Islands. The action was carried out by sailors who felt betrayed by the terms of the Treaty of Versailles.1939: Lou Gehrig retires from baseball The New York Yankees announced the retirement of Lou Gehrig after doctors revealed he had amyotrophic lateral sclerosis. His departure marked the end of a celebrated playing career.1945: Japanese resistance on Okinawa ends Japanese resistance on Okinawa was finally overcome less than three months after US troops landed on the island. The battle concluded a major campaign that served as the final stepping-stone before the planned assault on Japan's main islands during World War II.1948: Mountbatten resigns as Governor General Lord Mountbatten resigned as Governor General of India. He had previously served as the last Viceroy of the country.1950: Joe DiMaggio records 2,000th hit Joe DiMaggio collected the 2,000th hit of his career with a seventh-inning single during a victory over Cleveland. The achievement added another milestone to his baseball record.1952: Louis Braille honoured in Paris The remains of Louis Braille were transferred to the Panthéon in Paris. His hands remained preserved as relics at the cemetery in Coupvray.1953: Benazir Bhutto born Benazir Bhutto was born. The daughter of former president and prime minister Zulfikar Ali Bhutto later became the first woman leader of a Muslim country in modern history when she assumed office in 1988.1956: Anti-protons detected Scientists detected anti-protons in the atmosphere. The discovery represented a notable development in scientific research.1970: Brazil and Pelé claim third World Cup title At the FIFA World Cup final in Mexico City, Brazil national football team defeated Italy 4-1. The victory made Brazil and Pelé the first team and player respectively to win the World Cup three times.1982: Prince William born Prince William was born to Charles, prince of Wales, and Diana, princess of Wales. He later became known as Prince William, Duke of Cambridge.1982: Hinckley found not guilty by reason of insanity John Hinckley Jr. was found not guilty by reason of insanity in connection with the 1981 attempted assassination of US President Ronald Reagan. The verdict attracted widespread attention.1987: Mike Tyson incident reported Mike Tyson was reported to have sexually harassed a parking lot attendant. The incident generated public attention involving the heavyweight champion.1997: WNBA begins play The Women's National Basketball Association launched with its first game. The New York Liberty defeated the Los Angeles Sparks, marking the beginning of the league's history.2003: Harry Potter and the Order of the Phoenix published Harry Potter and the Order of the Phoenix, the fifth book in the Harry Potter series, was released worldwide in English. The publication marked another major chapter in the bestselling franchise.2009: Greenland gains expanded self-government Greenland became self-governing after an expanded home-rule agreement with Denmark took effect. The change granted the territory greater control over its affairs.2017: Transformers: The Last Knight released Transformers: The Last Knight was released in the United States. The film later grossed $605 million worldwide.2020: Major prehistoric structure discovered near Stonehenge Archaeologists announced the discovery of a large circle of shafts surrounding a village dating to 2500 BC near Stonehenge. The find was described as the largest prehistoric structure in Britain.People born on June 21 1953: Benazir Bhutto Pakistani politician Benazir Bhutto was born. She later became the first woman leader of a Muslim country in modern history. 1982: Prince William Prince William was born to Charles, prince of Wales, and Diana, princess of Wales. He later became known internationally as Prince William, Duke of Cambridge.Days celebrated on June 21 World Music Day World Music Day is observed to celebrate music and encourage participation in musical activities across communities. International Yoga Day International Yoga Day highlights the practice of yoga and promotes awareness of its significance around the world. Go Skateboarding Day Go Skateboarding Day celebrates skateboarding culture and encourages enthusiasts to take part in the sport. National Smoothie Day National Smoothie Day recognises the popular blended beverage and its many varieties. Summer Solstice The Summer Solstice marks the longest day of the year in the Northern Hemisphere and is observed in many parts of the world.