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19th century

 * 1880 – The Denver and Rio Grande Western Railroad, Atchison, Topeka and Santa Fe Railway and Union Pacific Railroad reach an agreement to end hostilities over track construction in Colorado; in the Treaty of Boston; the D&RG agreed that it would not build tracks south of Española, New Mexico, the Santa Fe agreed that it would not build tracks into either Denver or Leadville for ten years, and the Union Pacific agreed not to build any track in the Colorado Rockies.
 * 1882 – Building northward from San Diego, California Southern Railroad tracks reach Temecula, California.

20th century

 * 1938 – Santa Fe Railroad inaugurates San Diegan passenger train service between Los Angeles and San Diego.
 * 1976 – The first section, 4.6 miles (7.4 km), of the Washington Metro in Washington, D.C., opens.
 * 1995 – After a two-week strike by the Brotherhood of Maintenance of Way Employees and the Canadian Auto Workers affecting Canadian National Railway, Canadian Pacific Railway and Via Rail, the Canadian Parliament steps in and sets up arbitration panels to resolve the disputes.

21st century

 * 2001 – Two passenger trains collide head-on in the Pécrot rail crash in Belgium, killing eight people.