Statistics for occurrence #1 of “United States” in entry postal-service-federal of Harper's Encyclopedia of United States History:
...ess from time to time, until the present system in its general features was adopted in 1792.
When Franklin resigned the office of Postmaster-General in 1776, the whole number of post-offices in the United States was 75; the whole number on Jan. 1, 1901, was 76,594, classified as follows: First-class, 208; second-class, 941; third-class, 3,280; fourth-class, 72,165; and Presidential, 4,429.
Among these were...
| Max. Freq. | Min. Freq. | ||||||
|---|---|---|---|---|---|---|---|
| Entity | Corpus | Doc | Corpus | Doc | |||
| † | United States (United States) | 100,886 | 16,340 | 0 | 0 | 0 user votes | |
| United States (New Mexico, United States) | 6 | 0 | 0 | 0 | 0 user votes | ||
† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.