In 1958, a Soviet virologist proposed that all countries work together to end smallpox. As this tribute notes,” no disease had ever been eradicated. No one knew if it could even be done.”
In 1977, the last case was found in Somalia.
Smallpox is the only human disease to have been eradicated. Thanks to what Viktor Zhdanov started, efforts to end polio, malaria, and several other diseases are now underway.
During the Cuban Missile Crisis, a US warship began to fire warning shots at a Soviet submarine. Unfortunately, only the Americans knew it was a warning.