On electronic boarding passes, airlines use __ codes, named after the famous Mesoamerican civilization. | ![Reveal Answer](http://assets.interestingfacts.com/interestingfacts/emails/images/reveal-answer.png) |
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![](http://assets.interestingfacts.com/interestingfacts/emails/images/numbers-icon.png) | Numbers Don't Lie |
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![](http://assets.interestingfacts.com/interestingfacts/emails/images/chart-icon.png) | Estimated number of Americans who chewed gum in 2020 | 160 million |
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| ![](http://assets.interestingfacts.com/interestingfacts/emails/images/chart-icon.png) | World's largest collection of chewing gum packets (collected by Grzegorz Materna of Warsaw, Poland) | 13,539 |
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![](http://assets.interestingfacts.com/interestingfacts/emails/images/chart-icon.png) | Length, in feet, of the longest gum wrapper chain, which a Virginia teacher began making in 1965 | 106,810 |
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| ![](http://assets.interestingfacts.com/interestingfacts/emails/images/chart-icon.png) | Estimated pieces of discarded gum lining the walls of Bubblegum Alley in San Luis Obispo, California | 2 million |
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![Did You Know?](http://assets.interestingfacts.com/interestingfacts/emails/images/did-you-know-icon.png) | Selling chewing gum is mostly banned in Singapore. |
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The lasting influence of the island's first prime minister, Lee Kuan Yew (in office 1959–1990), led to this quirky law — which has managed to stick for 29 years. Early in his tenure, when Singapore separated from Malaysia to become sovereign, Lee dreamed of making his young city-state a scenic travel locale. Thus he launched his "Keep Singapore Clean" initiative in 1968, which included strict anti-littering regulations. Spitting, feeding pigeons, or neglecting to flush a public toilet can also result in fines, and since 1992, stocking or importing gum can set a business back up to $100,000 and translate to prison time. Visitors to Singapore are allowed to bring small amounts of gum into the country for their personal use, however. And thanks to 2004's U.S.-Singapore Free Trade Agreement, pharmacists (and pharmacists alone) are able to sell "medicinal" and "dental" gum products, such as Nicorette (and, somehow, sugar-free gum), to customers who submit their names and ID card numbers. Still, all chewed gum should be tossed in a trash can. | |
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| ![](https://imgblog.interestingfacts.com/2021/09/IF_Feature_candy-bubblegum.jpg) |
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