Births

• December 30 - Stephen H. Long, American
  United States
  The United States of America is a federal constitutional republic comprising fifty states and a federal district...
  
   steam locomotive
  Steam locomotive
  A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...
  
   mechanical engineer who helped build the Baltimore and Ohio Railroad
  Baltimore and Ohio Railroad
  The Baltimore and Ohio Railroad was one of the oldest railroads in the United States and the first common carrier railroad. It came into being mostly because the city of Baltimore wanted to compete with the newly constructed Erie Canal and another canal being proposed by Pennsylvania, which...
  
  (d. 1864).