Groundbreaking for New York subway system 1900

Groundbreaking for New York subway system  1900
The New York Rapid Transit Decision of 1900 (Katz)

Full Article
https://www.nycsubway.org/wiki/The_New_York_Rapid_Transit_Decision_of_1900_(Katz)

Excerpt

Construction of the first subway in New York City, the Interborough Rapid Transit underground railway or IRT, was officially begun on March 24, 1900 and completed, ahead of schedule, in late October, 1904.