Portal:Trains/Anniversaries/May 24/More

19th century

 * 1830 – The first revenue trains on the Baltimore and Ohio Railroad operate between Baltimore and Endicott's Mills, Maryland, a distance of 13 miles (21 km).

20th century

 * 1931 – The Baltimore and Ohio Railroad inaugurates the first air conditioned passenger train, the Columbian, between Jersey City, New Jersey, and Washington, D.C.
 * 1961 – The Milwaukee Road's Olympian Hiawatha passenger train makes its final run between Chicago and Seattle.

21st century

 * 2005 – SNCF announces that a new high speed train connection between Paris and Frankfurt will be built; it is expected to open in 2007, with ridership estimates as high as 1.5 million per year.
 * 2005 – Railpower Technologies announces that an as-yet unnamed United States Class I railroad has placed a firm order for ten Green Goat hybrid locomotives. The locomotives will be manufactured at plants in Calgary, Alberta, Boise, Idaho, and Longview, Texas.