Today on Mark's Almanac, on this date in 1957 the world's first Nuclear power plant started. And on this day in 1989, a CBS executive went hunting for a show in their archives, found it, and this show aired for the first time in decades.
Mark Pennell sits at the helm of his time machine.Mark's Almanac is a 90-second time travel that highlights the world's history from the very serious to the sometimes sublime.