The answers are “Siemens” and “after”, respectively.
You then drag the card onto a timeline, slotting it in between your previously placed events.
Get it wrong and the card turns red; get it wrong three times and it’s game over.

Personally, it turns out I’m alright with the basic order of human history.
I can separate figures by centuries, and place civilizations in the correct order.
This is the kind of game where I don’t mind getting answers wrong, anyway.
I’m learning while I play.
For example, did you know that Marisa Tomei is older that Martin Lawrence?
You canplay WikiTrivia here.
It’s open source andits developer is soliciting feedback to help find any incorrect cards.