Hey there, I'm Daniel Kurtzlapin, I cover the campaign for NPR, and Happy Presidency.

This holiday we wanted to bring you something a little special, an episode of NPR's

History Podcasts through line.

This episode is all about the history of women running for the highest office in the land.

I worked on this episode, I reported one of the segments, and I'm really proud of it,

so I'm really excited we're sharing it, but I don't want to spoil it for you.

But without further ado, here's the show.

More women ran for president in 2020 than in any other time in history.

But the truth is, women have been running for president even before they could vote for

president.

And on this episode, we're going to look at three women candidates who have attempted

to reach that highest office.

Margaret Chase Smith, Shirley Chisholm, and Pat Schroeder.

Our first story comes from Thurlheim producer, Jamie York.

At sea level, when the temperature is 71 degrees, sound moves at 770 mph.

At 35,000 feet where the air is 65 degrees below zero, sound moves more slowly, at around

660 mph.

So if something, like a plane that creates sound, moves closer and closer to 660 mph,

catches up to the sound it has made.

This sound piles up in front of the plane, like snow on the edge of a plow.

The change of pressure as the plane overtakes and bursts through the sound it has made,

is silent in the plane.

...