This is our day guide for Friday September 18th 2026 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 18th 2026
Angola: National Heroes' Day (in lieu)
Marks the birthday of the national hero Agostinho Netowho was born on this day in 1922.Not a Public Holiday
Armenia: Exaltation of the Holy Cross
Celebrates the return of the Holy Cross to Jerusalem following its capture by the Persians
Chile: Independence Day
On September 18th 1810, Chile broke from Spanish rule, declaring their independence. The Spanish had ruled Chile since the middle of the Sixteenth CenturySeptember 17th 2026 | Go to Today | September 19th 2026
| Choose a Day |
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| General Information for September 18th 2026 | |
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| There are 3 public holidays today. | |
| Day 261 of 2026 | |
| 104 days left in 2026 | |
| Week 38 of the year | |
| On this Day in History | |
| 1919 - The Netherlands gives women the right to vote. | |
| 1837 - Tiffany and Co. (first named Tiffany & Young) is founded by Charles Lewis Tiffany and Teddy Young in New York City. The store is called a "stationery and fancy goods emporium". | |
| 1809 - The Royal Opera House in London opens. | |
| 1502 - Christopher Columbus lands at Honduras on his fourth, and final, voyage. |
Office Holidays provides calendars with dates and information on public holidays and bank holidays in key countries around the world.
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