This is our day guide for Sunday September 17th 2023 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?

Observances on September 17th 2023

Day of People's Unity

Day of People's Unity

Find out the dates, history and traditions of the Day of People's Unity in Belarus.

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Teachers Day

Teachers Day

Find out the dates, history and traditions of Teachers Day

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World Patient Safety Day

World Patient Safety Day

World Patient Safety Day was established to enhance global understanding of patient safety

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Constitution Day and Citizenship Day

Constitution Day and Citizenship Day

One of the most patriotic holidays, today celebrates both the constitution and citizens of the USA.

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National Apple Dumpling Day

National Apple Dumpling Day

Find out the dates, history and traditions of National Apple Dumpling Day

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Wife Appreciation Day

Wife Appreciation Day

A gentle reminder, don't just appreciate your wife on the third Sunday in September!

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Public Holidays on September 17th 2023

Angolan National Heroes' Day

Angolan National Heroes' Day

Marks the birthday of the national hero Agostinho Netowho was born on this day in 1922.

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Rosh Hashanah

Rosh Hashanah

The Jewish Holiday of Rosh Hashanah is generally known as the New Year' s Day of the Jewish calendar

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Swiss Federal Fast

Swiss Federal Fast

A Swiss government-arranged multi-denominational holiday celebrated by Christians and the Jewish community

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