The New York City Subway's third competing subway system, the municipally owned IND, is opened.

Independent Subway System

Defunct subway operator in New York City

The Independent Subway System was a rapid transit rail system in New York City that is now part of the New York City Subway. It was first constructed as the Eighth Avenue Line in Manhattan in 1932. It was originally also known as the Independent City-Owned Subway System (ICOSS)…