1539 - Hernando de Soto declares Florida as a Spanish territory.
1540 - Hernando de Soto is the first European to cross the Appalachian Mountains.
1659 – Was born David Gregory, a Scottish astronomer.
1726 – Was born James Hutton, a Scottish natural scientist, geologist, physicist and chemist.
1789 - Alex Mackenzie is investigating the McKenzie River in Canada.
1860 - The city of Comanche (Iowa) is completely destroyed by a tornado.
1906 - Belgian King Leopold II declares Congo for private property.
1935 - The Normandie ferry crosses the Atlantic for a record 1,077 hours.

1739 - The Royal Swedish Academy of Sciences was founded in Stockholm.
1758 – Was born Cornelis R T Krayenhoff, a Dutch cartographer.
1858 - For the first time, the comet Donati was named, named after its discoverer.
1875 - Alexander Graham Bell makes the first transmission of sound.
1924 - The US Congress recognized the right to citizenship of all Indians.
1966 - The first US space shuttle "Server-1" is dropped on the Moon without a human crew.
1979 - NASA launches S-198 spacecraft.

1533 - Anne Boleyn was crowned Queen of England.
1815 - Napoleon Bonaparte gives an oath of allegiance to the Constitution of France.
1862 - The slavery on the territory of the United States was abolished.
1866 - The General Dutch Topographic Union was formed.
1880 - The first public phone booth in the United States is set up in the Yale Bank building in New Haven.
1888 - California got the first seismograph.
1936 - Queen Mary completes her first trip to New York.
1953 - The European Organization for Nuclear Research was established in Geneva.
1964 - Kenya becomes a republic with President Jomo Kenyatta.
1970 - Soyuz 9 is launched in orbit on Earth.
INTERNATIONAL CHILDREN'S DAY

1659 - The Netherlands, England and France sign the Treaty of The Hague.
1790 - Alfredo Manuel Quimper is investigating the Strait of Juan de Fuca.
1879 - The first electric railway is open at the Berlin Fair.
1879 - Madison Square, named after fourth president James Madison, was opened.
1910 - The Cape Good Hope is becoming part of the Union of South Africa. The Union of South Africa announces independence from the United Kingdom.
1961 - South Africa has been declared as a republic, Charles Roberts Swart was elected president of the South, and the country left the British Commonwealth.

1220 – Was born Alexander Nevsky, a great prince of Novgorod and a Russian saint
1498 - Christopher Columbus, sailed of the Spanish port of Sanlúcar on a trip to the new world, and discovered Trinidad and the coast of South America
1527 - University of Marburg (Germany) founded
1539 - Spanish explorer Hernando de Soto discovers Florida
1854 - Territories of Kansas & Nebraska created
1896 - 1st car accident occurs, Henry Wells hit a bicyclist (NYC)
1969 - Gibraltar gained the status of a British dominion with internal self-government
1934 – Was born Aleksey Leonov, a Soviet cosmonaut