The last world's fair was Expo 2008 in Zaragoza, Spain.

The next world's fairs are Expo 2010 in Shanghai, China; Expo 2012 in Yeosu, South Korea; and Expo 2015 in Milan, Italy.

http://www.ExpoMuseum.com/

The World Pork Expo is held each year the state fairgrounds in Des Moines, Iowa. Each year, over 20,000 pork producers come to the expo to learn about pork.

The World Pork Expo is held each year the state fairgrounds in Des Moines, Iowa. Each year, over 20,000 pork producers come to the expo to learn about pork.

It was held in Science World.

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