1980 ⟶ Rubik's Cube Introduced to the World

Invention of the Rubik's Cube.
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Year
1828
1884
1938
1974
1980

⚙️ Ányos Jedlik Invents First Commutated Rotary Electromechanical Machine

Hungarian physicist Ányos Jedlik invents the first commutated rotary electromechanical machine with electromagnets.⟶
Ányos Jedlik Invents First Commutated Rotary Electromechanical Machine (1828)
ElectricityElectromagnetismPhysicsMechanical Engineering
HungaryHungary

💡 Invention of the Closed Core High Efficiency Transformer

Hungarian engineers Károly Zipernowsky, Ottó Bláthy and Miksa Déri invent the closed core high efficiency transformer and the AC parallel power distribution.⟶
Invention of the Closed Core High Efficiency Transformer (1884)
Electrical EngineeringIndustrial RevolutionScientific Innovation
HungaryHungary

🖊️ László Bíró Patents the Ballpoint Pen

June 15: Hungarian newspaper editor László Bíró fills a British patent of the first commercially successful ballpoint pen. This would popularize the instrument, currently the most widely used for writing, after World War II.⟶
László Bíró Patents the Ballpoint Pen (1938)
PatentDesignWorld War IIPost-WarConsumer Goods
United KingdomUnited KingdomHungaryHungary

🧩 Rubik's Cube Invented

The Rubik's cube is invented by Ernő Rubik which went on to be the best selling puzzle ever.⟶
Rubik's Cube Invented (1974)
Popular CultureRecreationIntellectual Property
HungaryHungary

🧩 Rubik's Cube Introduced to the World

Invention of the Rubik's Cube.⟶
Rubik's Cube Introduced to the World (1980)
ToysInventionsGames
HungaryHungary