
Founded: 1827
Headquarters: Baltimore, MD
Founders: John W. Garrett · William Patterson

Advertisement for the Baltimore and Ohio in an 1864 Baltimore city directory, promoting its repairs and reopening at one point during the war.
wiki/Baltimore_and_Ohio_Railroad
(1830) Passenger rail service begins in US.
Also on this day,
1883 | Brooklyn Bridge opens
1956 | Eurovision begins
1991 | Landmark feminist film