1796
Edward Jenner (1745)-(1823) he was an English doctor who discovered a way of preventing the smallpox and in doing so, developed the start of vaccination...
The United States
July 4th, 1776 is when the United States formed.
· Red (United States) · Rio Grande (United States)
None. United states is a country
1853
the united states
The United States
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united states
United States of America
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