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
Niagara Falls Transit was created in 1960.
Niagara Falls Reporter was created in 2000.
Niagara Falls Redevelopment was created in 1997.
WWE Niagara Falls was created in 2002.
Niagara Falls Armory was created in 1895.
Niagara Falls Museum was created in 1827.
Fashion Outlets of Niagara Falls was created in 1982.
Niagara Falls City Hall was created in 1924.
Niagara Falls State Park was created in 1885.
Oak Hall - Niagara Falls - was created in 1982.
Niagara Falls International Marathon was created in 1974.