Inventions & Breakthroughs of April 1981
Gadgets, lab surprises, odd bets, and future-shocks from this slice of the calendar.
1 
Personal Computer (IBM PC)
2 
Graphical User Interface Concept
3 
Word Processing Software (Microsoft Word)
4 
Digital Camera Prototype Commercialization
5 
Medical Infusion Pump
6 
Local Area Network Expansion
7 
Portable Video Game Console
8 
Computer-Aided Manufacturing Software
9 
Speech Recognition System Improvement
10 
Reusable Space Shuttle Program
The Sounds of
Popular recordings and roots/country selections associated with the year
HEADLINES ON April 4, 1981
Full News Archive
- Headline: Koch Critiques Judge Over Weekend Sentence. Impact: Mayor Koch's relentless critique of judges inadvertently led to a nationwide trend of public figures throwing shade at the judiciary. Fast forward a few decades, and there are more Twitter feuds between politicians and judges than there are actual rulings. Who knew judicial integrity could be sacrificed at the altar of social media drama?. Fact: Did you know that Mayor Koch once claimed he could 'turn the tide of public opinion' with just a well-timed press conference? Spoiler alert: he couldn't. But he did inspire a generation of politicians to master the art of dramatic outrage!.
Wall Street Time Machine
The Right Call: If you'd invested $1,000 in any one of these companies in 1981, here's what the stored 2025 dataset estimates.
Rank #2
INTC
Intel
Price in 1981
$0.23
2025 dataset value
$155,194
Intel - If you invested $1,000 in 1981, it would be worth $155,194 today (155.2x return)
🦸 Top 5 Comics
Daredevil #181
$2,600
Uncanny X-Men #141
$1,000
Marvel Graphic Novel #1
$42,000
Moon Knight #1
$250
Saga of the Swamp Thing #1
$300
🧸 Top 5 Toys
Rubik's Cube
$150.00
LEGO Space Sets
$400.00
My Little Pony
$150.00
He-Man and the Masters of the Universe
$150.00
Smurfs Figurines
$150.00
🎮 Top 5 Video Games
Donkey Kong
$300.00
Pac-Man
$1,500.00
Frogger
$50.00
Galaga
$262.70
Ms. Pac-Man
$33,400.00
⚾ Top 5 Trading Cards
1981 Topps Joe Montana Rookie Card
$76,250
1981 Fleer Fernando Valenzuela Rookie Card
$400
1981 Donruss Tim Raines Rookie Card
$1,200.00
1981 Topps Magic Johnson and Larry Bird Card
$427,000
1981 O-Pee-Chee Wayne Gretzky
$2,000