What is the oldest roller coaster in the world?

Question

What is the oldest roller coaster in the world?

Answer 1

be more specific lol.. like  the frist roller coaster the frist was in made in the 1400's

Answer 2

Here is the history of them:

http://en.wikipedia.org/wiki/Roller_coas...

Answer 3

The first Russian Mountains, the earliest form of a roller coaster, begin to appear in Russia.