October 4

1878 Saratoga Post Office was established as Warm Springs Post Office on October 4, 1878.

1888 Casper Post Office was established on October 4, 1888.

1889 On October 4, 1889 Governor Warren issued a proclamation calling for an election on Tuesday, November 5, to adopt or reject the constitution prepared for Wyoming by the Constitutional Convention of September, 1889.