Complex sentence: Melvil Dewey, who invented the Dewey Decimal System, designed what was then called "Placid Park Club" in 1895 and inspired the village to change its name to Lake Placid, which became an incorporated village in 1900.
Split into simpler sentences: Melvil Dewey, who invented the Dewey Decimal System, designed what was then called "Placid Park Club" in 1895. This inspired the village to change its name to Lake Placid, which became an incorporated village in 1900.