Passive Voice V. Do you know when....?

... was the first diving-suit created for under water use?
... were the first matches invented?
...was the washing-machine built?
...were the disc-brakes designed for cars?

Do you want to know the truth? Have a look at some technological inventions and enterprises from 1780 to 1980 and you'll get the answers.

And now your task:
- Find out some of the inventions and enterprises that have been undertaken over the last 20 years.