It was on this date in 1913 that Mary Phelps Jacob received a patent for the modern brassiere. And it was on this date in 2019 that Olivia Newton-John's outfit from Grease was auctioned off for more than $400 million.
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.