1969 – Apollo program: Apollo 11's crew successfully makes the first manned landing on the Moon in the Sea of Tranquility. Americans Neil Armstrong and Buzz Aldrin become the first humans to walk on the Moon six and a half hours later.

1977 – The world's first Global Positioning System (GPS) signal was transmitted from Navigation Technology Satellite 2 (NTS-2) and received at Rockwell Collins in Cedar Rapids, Iowa, at 12:41 a.m. Eastern time (ET)

 rgio wrote:

It just happens to be the only item on that day I considered significant enough to share.

 Red_Dragon wrote:
On a page with ~40 items, you pick the exact same one in the middle of the page 5+ years in a row?  

 Â¯_(ツ)_/¯ 

 rgio wrote:

Wikipedia is your friend.

 Red_Dragon wrote:
So do you have these on a calendar that you keep posting from?  What's the process?

https://radioparadise.com/comm...

1925 – Adolf Hitler publishes Mein Kampf.

1902 – Willis Carrier creates the first air conditioner in Buffalo, New York.

1951 – J. D. Salinger publishes his popular yet controversial novel, The Catcher in the Rye.

1945 – Manhattan Project: The Atomic Age begins when the United States successfully detonates a plutonium-based test nuclear weapon near Alamogordo, New Mexico.

1799 – The Rosetta Stone is found in the Egyptian village of Rosetta by French Captain Pierre-François Bouchard during Napoleon's Egyptian Campaign.

1957 – John Lennon and Paul McCartney meet for the first time, as teenagers at Woolton Fete, three years before forming the Beatles.

1954 – Elvis Presley records his first single, "That's All Right", at Sun Records in Memphis, Tennessee.

1969 – Stonewall riots begin in New York City, marking the start of the Gay Rights Movement.

On June 25, 1876 American Indian forces led by Crazy Horse and Sitting Bull defeated the US Army troops of Lt. Col. George Armstrong Custer in the Battle of the Little Bighorn near southern Montana's Little Bighorn River.

 oldviolin wrote:

They done broke his elby-bone!

 black321 wrote: 
Rave on, its a crazy feelin'...

 oldviolin wrote:

I think we may be getting a case soon.

1374 – A sudden outbreak of St. John's Dance causes people in the streets of Aachen, Germany, to experience hallucinations and begin to jump and twitch uncontrollably until they collapse from exhaustion.

2012 – Death of Lonesome George, the last known individual of Chelonoidis nigra abingdonii, a subspecies of the Galápagos tortoise.