Kivo would like to count its visits with Google Analytics, to see what works and what doesn't. Nothing is stored without your consent, and you can change your mind at any time via “Cookies” at the bottom of the page. Learn more
How many years ago were the printing press, the telephone or the vaccine invented? Great discoveries, to the nearest year.
Free questions with no sign-up, where every answer is a number. Type your estimate: the closer you get to the right answer, the more points you score.
A free game mixes every topic. To play only “Inventions & Discoveries”, Premium accounts can filter topics in the game settings.
Type your estimate and check it: you'll see the right answer and your points.
1
Inspired by burdock burrs stuck in his dog's fur, George de Mestral patented Velcro. How many years ago?
Answer: 71
2
How many years ago was the Barbie doll first unveiled, at the New York Toy Fair?
Answer: 67
3
How many years ago did engineer Nils Bohlin invent the three-point seat belt at Volvo?
Answer: 67
4
How many years ago did Lego patent its stud-and-tube brick, the one we still click together today?
Answer: 68
5
How many years ago did France's TGV carry its first passengers, between Paris and Lyon?
Answer: 45
6
How many years ago did Pac-Man arrive in Japanese arcades?
Answer: 46