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?
Holidays on September 17th 2023
Angola: National Heroes' Day
Marks the birthday of the national hero Agostinho Netowho was born on this day in 1922.
Israel: Rosh Hashanah
Second day of Rosh Hashanah, the New Year of the Jewish calendarRegional
Switzerland (regional): Swiss Federal Fast
A Swiss government-arranged multi-denominational holiday celebrated by Christians and the Jewish communitySeptember 16th 2023 | Go to Today | September 18th 2023
| Choose a Day |
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| General Information for September 17th 2023 | |
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| There are 3 public holidays today. | |
| Day 260 of 2023 | |
| 105 days left in 2023 | |
| Week 37 of the year | |
| On this Day in History | |
| 1908 - The Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes killing Selfridge. He becomes the first airplane fatality. | |
| 1787 - Russians under Alexander Suvorov defeat the Turks at Kinburn. | |
| 1462 - The Battle of Swiecino (also known as the Battle of Zarnowiec) is fought during Thirteen Years' War. | |
| 1111 - Highest Galician nobility led by Pedro Fróilaz de Traba and the bishop Diego Gelmírez crown Alfonso VII as "King of Galicia". |
Office Holidays provides calendars with dates and information on public holidays and bank holidays in key countries around the world.
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