Inventions & Breakthroughs of April 1990
Gadgets, lab surprises, odd bets, and future-shocks from this slice of the calendar.
1 
World Wide Web Prototype
2 
Digital Cellular GSM Standard
3 
Photoshop Software
4 
Human Genome Project Launch
5 
Digital Audio Compression (MP3)
6 
Satellite Navigation Civil Expansion
7 
Pen-Based Computing Concept
8 
Electronic Whiteboard
9 
Medical Laparoscopic Surgery Tools
10 
Virtual Reality Headset Prototype
The Sounds of
Popular recordings and roots/country selections associated with the year
HEADLINES ON April 23, 1990
Full News Archive
- Headline: Tennis Theater in the Park Experience. Impact: The establishment of Tennis Theater in the Park led to a surge in outdoor sports performances, ultimately influencing the rise of extreme sports. Without this pivotal moment, we might never have seen people base jumping from grocery stores or attempting yoga on top of moving vehicles.. Fact: Fun fact: Tennis was originally played with bare hands, which explains why some players still seem to have a lot of hand gestures during matches. They’re just trying to channel their ancestors..
Wall Street Time Machine
The Right Call: If you'd invested $1,000 in any one of these companies in 1990, here's what the stored 2025 dataset estimates.
Rank #1
MSFT
Microsoft
Price in 1990
$0.38
2025 dataset value
$1,285,532
Microsoft - If you invested $1,000 in 1990, it would be worth $1,285,532 today (1285.5x return)
Rank #2
AAPL
Apple
Price in 1990
$0.26
2025 dataset value
$1,043,076
Apple - If you invested $1,000 in 1990, it would be worth $1,043,076 today (1043.1x return)
🦸 Top 5 Comics
New Mutants #98
$300
Spider-Man #1
$10,000
X-Men #266
$150
Harbinger #1
$100
Detective Comics #622
$150
🧸 Top 5 Toys
Teenage Mutant Ninja Turtles Action Figures
$150.00
Super Nintendo Entertainment System (SNES)
$250.00
Polly Pocket
$150.00
Pound Puppies
$75.00
Micro Machines
$300.00
🎮 Top 5 Video Games
Super Mario World
$579.99
Final Fantasy III (Final Fantasy VI in Japan)
$200.00
Mega Man 3
$200.00
The Secret of Monkey Island
$300.00
Dr. Mario
$254.95
⚾ Top 5 Trading Cards
1990 Topps Frank Thomas No Name on Front
$250,000
1990 Upper Deck Ken Griffey Jr. #156
$25,000
1990 Fleer Jose Uribe #74
$50
1990 Leaf Frank Thomas #300
$8,000
1990 O-Pee-Chee Premier Jaromir Jagr #50
$1,200