2018
Twelve new moons were discovered in Jupiter’s orbit, bringing the planet’s total number of moons to 79.
Source

2001
Jurassic Park III premiered in Los Angeles, California.
The movie was the least well-received and was the lowest-grossing movie of the franchise at $368.8 million worldwide.
Source

1990
The Ukrainian Soviet Socialist Republic’s Parliament declared sovereignty over Ukrainian territories.
The declaration was made shortly after Moldova, Russia, and Uzbekistan declared their own sovereignty.
Source

1980
Republican Party in Detroit nominated Ronald Reagan for US president.
Source

1969
NASA launched Apollo 11 from the Kennedy Space Center.
Astronauts Neil Armstrong, Buzz Aldrin, and Michael Collins were on board. On July 20, Armstrong and Aldrin became the first men to walk on the Moon.
Source

1957
US Marine Major John Glenn’s “Project Bullet” broke the transcontinental speed record.
John Glenn took off from a Vought F8U Crusader at Los Alamitos Naval Air Station in California. He landed in Floyd Bennett Field in Brooklyn, New York, 3 hours, 23 minutes, and 8 seconds later. This journey set a new speed record of 725.55 mph.
Source

1945
The world’s first atomic bomb was detonated.
The blast happened at the Trinity Site, New Mexico, US using 22 kilotons of TNT.
Source

1940
Adolf Hitler planned to invade Britain under the guise name “Operation Sealion.”
Britain would become the only country in western Europe to stand against the Nazis with success.
Source

1935
Oklahoma City, USA, installed the world’s first parking meter.
Source

1782
The opera “Die Entführung aus dem Serail” by Wolfgang Amadeus Mozart premiered in Vienna, Austria.
Source

1769
Father Junipero Serra started his first mission in California named “Mission San Diego.”
Source

1661
The bank of Stockholm issued the first banknotes in Europe.
Source

1519
Martin Luther had a public debate with theologian Johann Eck at Pleissenburg Castle in Leipzig.
On this day, Martin Luther denied the divine right of the Pope.
Source

622 AD
The journey of the Islamic prophet Muhammad and his followers began. This was known as the Hijrah.
Muhammed and his followers left Mecca on their journey to Medina. This marks the start of the Muslim calendar.
Source