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On This Day In History for April 30, 2025
This is the 120th day of the year in the Gregorian calendar. There are 245 days remaining in 2025.
- It was on this date in 1492, that Spain gave Christopher Columbus his commission of exploration. He was named admiral of the ocean sea, viceroy and governor of any territory he discovered.
- Also on April 30, 1789, on the balcony of Federal Hall on Wall Street in New York City, George Washington took the oath of office to become the first President of the United States.
- That same date in 1803, the United States purchased the Louisiana Territory from France for $15 million, more than doubling the size of the young nation.
- J. J. Thomson of the Cavendish Laboratory announced his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London on this date in 1897.
- On April 30, 1905, Albert Einstein completed his doctoral thesis at the University of Zurich.
- Also today in 1939, NBC inaugurated its regularly scheduled television service in New York City, broadcasting President Franklin D. Roosevelt’s N.Y. World’s Fair opening day ceremonial address.
- April 30, 1947, In Nevada, Boulder Dam was renamed Hoover Dam.
- That same date in 1961, K-19, the first Soviet nuclear submarine equipped with nuclear missiles, was commissioned.
- April 30, 1993, CERN announced World Wide Web protocols will be free.
Happy birthday goes out on this date to:
- English-Canadian cartographer and explorer, David Thompson, born on this date in 1770.
- Carl Friedrich Gauss, German mathematician and physicist was born on that same date in 1777.
- Austrian scientist and businessman, founded the AVL Engineering Company, Hans List, born on this date in 1896.
- Sergey Nikolsky, Russian mathematician and academic was born on that same date in 1905.
- American mathematician and engineer, Claude Shannon was born 109 years ago today.
- American scientist, co-invented the GPS, Roger L. Easton, born on this date in 1921.
- Also turning 87 today is American author and screenwriter Larry Niven.
- American pilot, and astronaut, Michael J. Smith, born on this date in 1945.
- Also born on that same date in 1976, American astronaut, Victor J. Glover.
- American actress, Kirsten Dunst, born on this date in 1982.
- Also born on that same date in 1985, Israeli actress and model, Gal Gadot.
Listener Birthdays
- 26 – Stewe Lundin – Sweden
- 26 – Frank Lopez
- 29 – Shepherd Thom from outside of the known universe
- 29 – Timothy Karre
- 29 – Dhruv Gupta
- 30 – Julio Diaz (JulioTijuana)
- 1 – Technorama
- 3 – Keao Wright
- 3 – Leon
- 5 – Joe Mieczkowski host of Onthepodcast
- 6 – Amber Pace (not really a listener, but a mother and a wife of listeners)
- 6 – Bill Barbour
- 6 – Steve Bickle
- 6 – Brian Brown
And that’s the way it was, on this day in history for April 30, 2025
- If you want to get on the Technorama Birthday Calendar, visit our website and look for the Birthday Calendar link.
Okay, stepping into my interviewer shoes for the big Technorama 20th Anniversary! We get interviewed by AI!
Shout out to the chat room
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Pass me the remote
- Kreg
- Wolf man – Google Search
- Andor Season 2 – Disney+
Geek Library
- gopher:// The web before the web
- My Three Sons and the computer age in 1965 (… and wrapping up our first ten years)
- Geology of Mount Diablo- The Mountain that Moved to California
- I fixed the vintage ThinkPad that IBM screwed up
- Samsung Galaxy Tips & Tricks | GOOD LOCK!!
- Were Magazine Type-In Games Really That Bad? // Coding Again Like It’s The 80s
- These People Can Talk to What?
- Fun With The IBM PS/1
- MORE FUN! With The IBM PS/1
- Quantum Compute with Single Photons
- World’s Most ILLEGAL Gaming PC
- This fix for a common Mac SE/30 problem is GENIUS
- The Normandie’s Gorgeous Design | Grand Plans
- Where did our numbers come from?
- The Secret Origins of a Legendary PC Hardware Database
- 5 Regrettable Things People Did With Uranium
Question of the week
- Should we keep going? OR
- We’ve been rambling about tech for 20 years now! Thinking back to 2005, what prediction about the future of technology did you totally believe back then that seems absolutely hilarious or wildly wrong now?
Patreon Topic this week
- Chuck got an internet upgrade – not what he was hoping for
- Plaud Pin Hyjinx
End of Show Stuff
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Also Thanks to
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