Nothing created Niagara falls, unless you would include water forming the rocks into a waterfall. If you were talking about the name, some people say the falls were named after a native in the area called the "Niagagarega."
my answer is that Niagara falls was created in the 1700
WWE Niagara Falls was created in 2002.
Niagara Falls Redevelopment was created in 1997.
Niagara Falls Reporter was created in 2000.
Niagara Falls Museum was created in 1827.
Niagara Falls Armory was created in 1895.
Niagara Falls Transit was created in 1960.
Niagara Falls International Marathon was created in 1974.
Niagara Falls State Park was created in 1885.
Oak Hall - Niagara Falls - was created in 1982.
Niagara Falls Suspension Bridge was created in 1855.
Rainbow Bridge - Niagara Falls - was created in 1941.