The Freedom of Information Act leads to the release of information on biological weapons testing in the U.S.
Date: 1977
"From 1949 through 1969, Army Intelligence practiced germ warfare at 50 locations within the U.S., including San Francisco, the O’Hare and Kennedy Airports, and the Pennsylvania turnpike. In 1950, the U.S. Navy even sprayed a cloud of bacteria over San Francisco. The Navy claimed the bacteria were harmless, but many residents came down with respiratory ailments, and at least one person died" (Cohen, n.d.).