History was made on February 18, 1930, when a tri-motored Ford airplane flew as part of the exhibitions at the International Aircraft Exposition in St. Louis. That’s because this plane was transporting cargo that required extra special care. So special, in fact, that a portion of the plane had to be reconstructed to handle this cargo.

And it was big. And heavy. And alive. It was a 1000 lb. (453-kg) Guernsey cow named Elm Farm Ollie, who was owned by Sunnymede Farms in Bismarck, North Dakota. Valued at $2,000 (nearly $30,000 today), Ollie has the honor of being the first cow ever to fly in an airplane. Not only was she the first cow ever to fly, but Ollie also became the first cow ever to be milked during a flight. Along for the flight were four reporters, a newsreel cameraman, a radio announcer, and two attendants to care and milk for Ollie.

And just why would anyone place a cow on an airplane in the first place? Basically to demonstrate that prize cattle can be transported from one place to another by air.

At an elevation of 5,000 feet (about 1.5-km), Ollie soared through the clouds at an estimated speed of 135 miles per hour (217 km/h) in her specially prepared stall. As she munched away on hay, Wisconsin resident Elsworth W. Bunce became the first man ever to milk a cow mid-flight. Quite the honor…

As the plane descended, 25 half-pint paper containers of milk were parachuted down to the crowd that was watching from below. One quart was set aside to be presented to Charles Lindbergh, who was scheduled to arrive at the show a day or two later.