Observed on 15 June
- Arbor Day (Costa Rica)
- Day of Valdemar and Reunion Day (Flag Day) (Denmark)
- Engineer's Day (Italy)
- Global Wind Day (international)
- National Beer Day (United Kingdom)
15 June in world history
- 2006US president George W. Bush designated 140,000 square miles (360,000 km2) around the Northwestern Hawaiian Islands as the Papahānaumokuākea Marine National Monument, now one of the world's largest protected areas.
- 1996The Troubles: The Provisional Irish Republican Army detonated a truck bomb in the commercial centre of Manchester, England, injuring more than 200 people and causing widespread damage to buildings.
- 1995Western Greece was struck by an earthquake registering 6.4–6.5 Mw that killed 26 people.
- 1992The United States Supreme Court rules in United States v. Álvarez-Machaín that it is permissible for the United States to forcibly extradite suspects in foreign countries and bring them to the United States for trial, without approval from those other countrie
- 1991An eruption of Mount Pinatubo in the Philippines deposited large amounts of particulate matter into the atmosphere, enough to briefly lower global temperatures by about 0.5 °C (0.9 °F).
- 1944World War II: The United States Army Air Forces began the first air raid of its strategic bombing campaign against the Japanese archipelago, although little damage was caused.
- 1919John Alcock and Arthur Brown complete the first nonstop transatlantic flight when they reach Clifden, County Galway, Ireland.
- 1896A magnitude-8.5 earthquake and a subsequent tsunami struck Japan, killing at least 22,000 people and destroying about 9,000 homes.
- 1804New Hampshire approves the Twelfth Amendment to the United States Constitution, ratifying the document.
- 1520Leo X issued the papal bull Exsurge Domine, censuring 41 propositions from Martin Luther's Ninety-five Theses and subsequent writings, and threatening him with excommunication unless he recanted.
- 1410Ottoman Interregnum: Süleyman Çelebi defeats his brother Musa Çelebi outside the Byzantine capital, Constantinople.
- 1410In a decisive battle at Onon River, the Mongol forces of Oljei Temur were decimated by the Chinese armies of the Yongle Emperor.
- 1312At the Battle of Rozgony, King Charles I of Hungary wins a decisive victory over the family of Palatine Amade Aba.
- 1310The Tiepolo conspiracy, seeking to seize power in the Republic of Venice, is thwarted after bloody street clashes in Venice. The suppression of the revolt will lead to the creation of the Council of Ten.
- 1285The Byzantine Empire and the Republic of Venice conclude a treaty. Apart from agreeing on a ten year truce, the Venetians are alloted a commercial quarter in Constantinople and are restored to earlier privileges.
- 1219Northern Crusades: Danish victory at the Battle of Lindanise (modern-day Tallinn) establishes the Danish Duchy of Estonia.
- 1215King John of England and a group of rebel barons agreed on the text of Magna Carta, an influential charter of rights.
- 1184The naval Battle of Fimreite is won by the Birkebeiner pretender Sverre Sigurdsson. Sigurdsson takes the Norwegian throne and King Magnus V of Norway is killed.
Born on 15 June
- 1952Satya Pal Jain, Indian lawyer and politician, Additional Solicitor General of IndiaIndia
- 1951Jane Amsterdam, American magazine and newspaper editor (Manhattan, inc., New York Post)
- 1950Lakshmi Mittal, Indian-English businessmanIndia
- 1926Alfred Duraiappah, Sri Lankan Tamil lawyer and politician (died 1975)India
- 1789Josiah Henson, American minister, author, and activist (died 1883)
- 1749Georg Joseph Vogler, German organist, composer, and theorist (died 1814)
Died on 15 June
- 1889Mihai Eminescu, Romanian journalist, author, and poet (born 1850)
- 1849James K. Polk, American lawyer and politician, 11th President of the United States (born 1795)
- 1614Henry Howard, 1st Earl of Northampton, English courtier and politician, Lord Warden of the Cinque Ports (born 1540)
- 1383John VI Kantakouzenos, Byzantine emperor (born 1292)
Frequently asked questions
- What happened on 15 June in history?
- 2006: US president George W. Bush designated 140,000 square miles (360,000 km2) around the Northwestern Hawaiian Islands as the Papahānaumokuākea Marine National Monument, now one of the world's largest protected areas. 1996: The Troubles: The Provisional Irish Republican Army detonated a truck bomb in the commercial centre of Manchester, England, injuring more than 200 people and causing widespread damage to buildings. 1995: Western Greece was struck by an earthquake registering 6.4–6.5 Mw that killed 26 people. 1992: The United States Supreme Court rules in United States v. Álvarez-Machaín that it is permissible for the United States to forcibly extradite suspects in foreign countries and bring them to the United States for trial, without approval from those other countrie.
- Which famous people were born on 15 June?
- Satya Pal Jain, Indian lawyer and politician, Additional Solicitor General of India (1952); Jane Amsterdam, American magazine and newspaper editor (Manhattan, inc., New York Post) (1951); Lakshmi Mittal, Indian-English businessman (1950); Alfred Duraiappah, Sri Lankan Tamil lawyer and politician (died 1975) (1926).
- Which day is observed on 15 June?
- Arbor Day (Costa Rica); Day of Valdemar and Reunion Day (Flag Day) (Denmark); Engineer's Day (Italy); Global Wind Day (international); National Beer Day (United Kingdom).
Historical entries from Wikipedia (CC BY-SA 4.0), sorted with India-related events first.