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This Week in Aviation History: Hale-Bopp & The First Spacewalk
in The Aviation Weblog, on March 30, 2008
...rch 18, 1965 - Soviet cosmonaut Aleksei Leonov made the first spacewalk.
March 20, 1999 - Bertrand Piccard and Brian Jones became the first to fly a hot-air balloon nonstop around the world.
March 2...