steam is created by the vapourisation of water (gaseous state of water is the steam). Steam is the result of a liquid changing to a gas. Liquid+heat=latent point of vaporization+additonal heat=steam. I could give you the delta change formula but lets use the kiss method
Steam Detectives was created in 1998.
Waltham Steam was created in 1899.
Victor Steam was created in 1899.
Mainline Steam was created in 1988.
Steam-Heart's was created in 1994.
Full Steam was created in 2008.
Roanoke Steam was created in 1999.
The Steam House was created in 1880.
Chicago Steam was created in 2008.
Telford Steam Railway was created in 1976.
Cunningham Steam Wagon was created in 1900.
A Steam Train Passes was created in 1974.