LaMarcus Adna Thompson patented the first roller coaster on January 20, 1885.
The Scenic Railway at Luna Park Melbourne, Australia, is the longest continually-operating roller coaster in the world.
The date has not yet been released as of September 2012.
The game has not even started development. There is no release date.
As of September 30th, Rollercoaster Tycoon 3D has a release date of October 16th.
There is a 3DS Rollercoater Tycoon game coming out somewhere in March 2012, but no other installments that I know of.
Impossible to say. Such inventions pre-date written history
The first laptop/portable computer was invented in 1981 by Adam Osborne.
No exact date, however, it was first used in China when they invented gun powder.
There is no official release date, but if I were to take a guess, I would say 2011 or 2012. They only just announced that they are "Thinking hard about the next Roller Coaster Tycoon game on PC."
1817
The date the inventor received exclusive right to his invention..
Pucks weren't discovered, they were invented. Some sources date the invention as early as 1872.