introduces the ALCO Century 628. SNCF Class BB 67000 diesel locomotives introduced in France. Eritrean Railway assembles 0-4-4-0T R442.61 in its shops at Asmara, the last Mallet locomotive built in the world. Accidents Births Deaths References Railroad history of Northumberland County. Retrieved June 28, 2005. Railroad history timeline: 1960-1969. Retrieved August 31, 2005.