source:google
All thanks to 
The wizard challenge
How to participate
I will describe a person, place, thing or an event. The wizard will guess exactly what I have described.
For instance:
He was an American
He was one of the liberation fighters
He was born 1732 in Virginia
He was a general
The Wizard: George Washington.
Another instance:
It happens in Europe
It happens in 1947
It happens two years after second world war
1054 nuclear test were conducted
Wizard: The cold war.
Source: google
The purpose of this challenge is to push us to research and widen our knowledge of happenings around us.