The library has arranged to have a beer made with the 269-year-old recipe written down by George Washington.
The brew was a low alcohol beer meant to be served to troops when they weren't sure if water at their base was safe to drink.
The beer is being brewed by local brewery Talea Beer Company.
The brewery is actually making two versions of the beer: one called "Washington's Beer," which will follow Washington's recipe exactly, and have a more molasses taste to it. And the other, called "Liberty Lager," will have some modern tweaks in case you don't want to celebrate like it's 1757.
The "Liberty Lager" will be available to buy at the brewery's taphouse and some restaurants and retail stores around the city.
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