🎂 Happy birthday, #NYCSubway! The subway turns 121 today. 🎈 #TodayInHistory: #OnThisDay in 1904, New York City’s first rapid transit subway, the IRT (Interborough Rapid Transit) subway opened. NYC's first subway line ran along a 9.1 mile route extending from City Hall to 145 Street, and had 28 stations. The line ran under Park Avenue South to Grand Central, across 42 Street to Times Square, and up Broadway to 145 Street. This #NYTMCollection silent film, shot just months after the subway opene