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September 18, 2026 Holidays and Observances
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Holidays
September Holidays
September 18, 2026 Holidays and Observances
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September Holidays
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Date
Weekday
Event
Country
Type
18 Sep
Friday
National Holiday
Chile
More...
Public
18 Sep
Friday
Air Force Birthday
United States
More...
Not public
18 Sep
Friday
National POW/MIA Recognition Day
United States
More...
Not public
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