I believe it was USSR, but early records of ancient China have been found.....
PONIES
It depends on the individual. You just start experimenting and figuring out what feels good and what you like and what works for you.
the country !!
Mid teens
Pretty sure he started experimenting in the 90's. In 2004 he had his first toast art sold at an exhibition.
You can start at the Rockets link below. It has information on the history of rocketry, and several useful links.
india
Italy
Houston.
The US was the first to start testing nuclear weapons
Sweden
1200's A.D.
there really isn't AN AGE. talk about it with your parents. I'd say around 6th or 7th grade my first real boyfriend was in 6th and its just a good age to start experimenting with what kind of guys or girls you like