Chanukah/Hanukkah (first day)

Jewish holiday

The first day of Hanukkah is the start of the Hanukkah period, which lasts for eight days, from the 25th day of the month of Kislev to the second day of Tevet in the Hebrew calendar.

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Bill of Rights Day

Observance

Bill of Rights Day is a observance in the USA

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Pan American Aviation Day

12/17/2025

Observance

December 17 marks Pan American Aviation Day, which is annually observed in the United States.

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Wright Brothers Day

12/17/2025

Observance

The Wright Brothers Day is annually celebrated in the United States on December 17 to commemorate the historic flight made by Orville and Wilbur Wright on that date in 1903.

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International Migrants Day

12/18/2025

United Nations observance

The United Nations (UN) International Migrants Day is celebrated on December 18 each year.

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Arabic Language Day

12/18/2025

United Nations observance

World Arabic Language Day is a United Nations (UN) observance that celebrates one of the organization’s 6 official languages – Arabic.

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International Human Solidarity Day

12/20/2025

United Nations observance

The United Nations' (UN) International Human Solidarity Day is celebrated on December 20 each year to raise public awareness on the importance of solidarity in fighting poverty.

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