Founded in 1856, this company introduced a numbering system for U.S. highways in 1917
... 
1917 - First Highway Numbering System: Created in Wisconsin, this highway 
numbering... [DOC] [TLE] RTF - about USPS [PAR] The history of the United States Postal Service is an ongoing story of ... 1943 - 
Postal zoning system began in largest cities ... 1992 - Self-adhesive stamps 
introduced nationwide ... From 1864 to 1977, railway mail clerks expedited 
delivery by sorting mail en route as it rumbled to .... November 2, 1917, 3 ... Year, 
Number of.