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On your mark. Yes, sir.

We're back in the nation's

favorite tent. Let's do this.

And it's packed with a fresh batch of famous faces.

As long as it's edible, I'd be happy.

Don't chalk, trying my teeth.

How can it be?

The great celebrity baker for Stand Up to Cancer on Channel 4.

Stream now.

...in history.

Cutsown University Professor Michael Gabriel teaches a class about military engagements during the... Now. the American invasion of Canada and the eventual British evacuation of Boston.

His class is about an hour.

Okay, everybody.

So last class, we were talking about the outbreak of the American Revolution.

We say all this, tension is building.

In the spring of 1775 in April, General Thomas Gage sends troops into the countryside,

fighting breaks out at Lexington and Concord. And as night falls, about 20,000 Americans

descend on Boston, lays siege to the city, and this war that nobody really wants, but since

...