Portal:Trains/Anniversaries/July 3/More

19th century

 * 1854 – The Brooklyn City Railroad, the oldest streetcar line in Brooklyn, New York, opens for passenger service.
 * 1869 – Hannibal and St. Joseph Railroad subsidiary Kansas City and Cameron Railroad opens the Hannibal Bridge, the first railroad bridge across the Missouri River, connecting its namesake cities.
 * 1874 – The first revenue trains on the Denver, South Park and Pacific Railroad operate between Denver and Morrison, Colorado.
 * 1884 – The first Dow Jones average, the predecessor of the Dow Jones Industrial Average, is published; of the eleven companies included in the average, nine of them are American railroads.

20th century

 * 1918 – The 121st Street station on New York City Subway's BMT Jamaica Line opens.
 * 1938 – The steam locomotive LNER 4468 Mallard sets the world speed record for steam locomotives at 126 mph.
 * 1957 – The Chicago Aurora and Elgin Railroad abruptly ceases to carry passengers at 12:13pm.
 * 1983 – Chicago and North Western Railway holds official groundbreaking ceremonies for the construction of the line into Wyoming's Powder River Basin.
 * 1995 – The extension of Minsk Metro's Avtozavodskaya Line connecting Frunzenskaya to Pushkinskaya opens.