Yuri Gagarin became first person in space / First animal patented in the U.S. - April 12

This Day in History Class - A podcast by iHeartPodcasts and HowStuffWorks

On this day in 1961, Soviet cosmonaut Yuri Gagarin orbited Earth once, earning him the title of the first person to travel in space. / On this day in 1988, the OncoMouse was patented in the U.S. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.