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.
Mark's Almanac for December 28, 2018
On this date in 1904, a wireless weather forecast made history in London. And in 1973, President Richard Nixon signed a major law. Learn about it on today's Mark's Almanac.