April 20 Holidays

Number of holidays
12
Day of the year
110
Days left in the year
255

420 is the counterculture holiday whose origin is traced to a group of San Rafael, California, high school students in 1971 who coined “4:20” as a meeting time to search for an abandoned cannabis crop — the code spreading globally across the following decades. Chinese Language Day was established by the UN in 2010 to celebrate Mandarin Chinese as one of the organization’s six official languages, anchored to the legendary birthday of Cangjie, the inventor of Chinese characters. International Cli-Fi Day was created to celebrate climate fiction — novels, films, and stories that use speculative storytelling to explore climate consequences. National Cheddar Fries Day celebrates the loaded fry topped with melted cheddar, a dish that migrated from ballpark concession stands to restaurant menus in the 1980s. Tones, smoke signals, melting ice, and melted cheese.

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All Holidays On April 20

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Special Interest

420

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Food & Beverage

Lima Bean Respect Day

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Special Interest

Look Alike Day

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Special Interest

UN Chinese Language Day

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What is the most popular holiday on April 20?

On April 20, 420 is the most globally recognized observance on the date, a counterculture cannabis holiday traced to a 1971 San Rafael, California, student group. Chinese Language Day is the most significant international linguistic celebration, established by the UN in 2010, and National Cheddar Fries Day is the most recognized U.S. food observance.

What countries celebrate holidays on April 20?

April 20 observances span the UN’s Mandarin-speaking community worldwide (Chinese Language Day), and the U.S., which hosts 420, National Cheddar Fries Day, and International Cli-Fi Day. Lima Bean Respect Day celebrates a crop with Peruvian origins observed globally.

What awareness days are on April 20?

April 20 includes International Cli-Fi Day, which promotes climate fiction as a tool for public engagement with climate change, and National Death Doula Day, which honors the end-of-life professionals who support the dying and their families.