By CBS3 Staff

PHILADELPHIA (CBS) — The Philadelphia International Airport celebrated its 80th birthday this weekend. It was 80 years ago Saturday that the airport was officially dedicated.

This is how the airport looked in 1940.

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Credit: Airporthistory.org

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It has gone through incredible expansions and renovations since it opened.

The airport now hosts 25 airlines.

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In a typical year, Philadelphia International serves more than 32 million passengers.