The following timeline appears in Public Health in Indiana issue of The Indiana Historian. The full citations are available in the issue bibliography . 1717 Lady Montagu brings to England the Turkish practice of inoculating children with smallpox. Napoleon offers prize for practical method of food preservation.
Cholera epidemic prevails throughout Indiana.
1868 January 16 A patent for a refrigerator car is granted to William Davis, Detroit, Michigan. By this time all major Indiana cities have some sort of sewers, mainly to carry off rain. A separate law enforcement agency is formed-the Food, Drug, and Insecticide Administration. December 2 Environmental Protection Agency begins its work. Last recorded case of smallpox found in the wild is in Somalia.