Home > General Knowledge > Important Dates and EventsWhen was the first vaccine for polio developed?A. 1950 B. 1955 C. 1960 D. 1965Answer: 1955Additional Information: The first vaccine for polio was developed in 1955. Subjects: Important Dates and Events, General KnowledgeRelated MCQsWhat year did the first human reach the summit of Mount Everest?What year did the first artificial intelligence program win a game of chess against a world champion?What year was the first successful use of general anesthesia?When did the U.S. Constitution become effective?What year was the first Android phone released?When was the first modern supermarket opened?When did the Berlin Airlift begin?When did the first successful polio vaccine become available?When did the Chernobyl disaster occur?What year did the first human heart transplant occur?What year was the first mobile app created?When was the first graphical web browser introduced?What year was the first online social networking site launched?When was the first public demonstration of television?When was the Berlin Wall constructed?