In 1979, Visicalc was released.
Learn more at http://inventors.about.com/library/weekly/aa010199.htm.
In 1984, several ‘firsts’ occurred during the Space Shuttle Challenger mission.
Marc Garneau became the first Canadian in space and astronaut Kathryn Sullivan became the first American woman to perform a space walk. This was also the first mission that included two women, Kathryn Sullivan and Sally Ride.