- 1483: Richard III is crowned King of England at Westminster Abbey.
- 1870: The first section of the Atlantic City Boardwalk in New Jersey, United States, is opened to the public.
- 1284: According to the legend, the Pied Piper leads children out of the town of Hamelin in Germany.
- 1498: Portuguese explorer Vasco da Gama departs from Lisbon on his first voyage, seeking a sea route to India.
- 1844: The first officially recognized heavyweight boxing championship takes place in the United States, with bare-knuckle fighters James Sullivan and Tom McCoy competing.
- 1909: The Science Museum in London, England, is officially opened to the public.
- 1917: The first U.S. troops arrive in France during World War I as part of the American Expeditionary Force.
- 1948: The Western allies introduce the Deutsche Mark as the official currency in West Germany, marking the start of the post-World War II economic recovery.
- 1963: U.S. President John F. Kennedy visits West Berlin and delivers his iconic "Ich bin ein Berliner" speech in support of German reunification.
- 1975: Mozambique gains independence from Portugal after a ten-year struggle for liberation.
- These are just a few more historical events that have occurred on June 26th throughout history. There are many significant events and milestones to discover from different time periods and regions.
- 1945: The United Nations Charter is signed in San Francisco, California, establishing the foundation for the United Nations organization.
- 1974: The Universal Product Code (UPC) barcode is scanned for the first time at a grocery store in Troy, Ohio, United States.
- 1997: The United Kingdom transfers sovereignty over Hong Kong to the People's Republic of China.
- 1284: The Pied Piper leads children out of the town of Hamelin, according to the legend.
- 1498: The Battle of Dornach takes place, marking the end of the Swabian War.
- 1906: The first Grand Prix motor race is held in Le Mans, France.
- 1948: The Berlin Airlift begins, as the Soviet Union blocks all land and water routes to West Berlin.
- 1959: The Saint Lawrence Seaway, connecting the Great Lakes to the Atlantic Ocean, officially opens to shipping.
- 1975: Mozambique gains independence from Portugal.
- 1991: Croatia and Slovenia declare their independence from Yugoslavia, leading to the breakup of the country.
- 2015: The United States Supreme Court legalizes same-sex marriage nationwide.
- 1794: The Battle of Fleurus occurs during the French Revolutionary Wars, marking the first use of an observation balloon for military purposes.
- 1907: The Cunard Line's RMS Lusitania is launched, becoming one of the most famous ocean liners of its time.
- 1945: The United Nations Charter is signed in San Francisco, California, establishing the foundation for the United Nations organization.
- 1963: U.S. President John F. Kennedy delivers his famous "Ich bin ein Berliner" speech in West Berlin, expressing solidarity with the people of Berlin during the Cold War.
- 1977: Elvis Presley performs his last concert at the Market Square Arena in Indianapolis, Indiana, United States.
- 1997: The Harry Potter and the Philosopher's Stone book by J.K. Rowling is first published in the United Kingdom, beginning the immensely popular Harry Potter series.
- 2000: The Human Genome Project announces the completion of the first draft of the human genome sequence.
- 2015: Greece becomes the first developed country to default on the International Monetary Fund (IMF) debt.
- These are just a few more historical events that have occurred on June 26th throughout history. There are many significant events to explore, covering various fields and areas of interest.