This is our day guide for Thursday September 23rd 2021 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?
September 22nd 2021 | Go to Today | September 24th 2021
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| General Information for September 23rd 2021 | |
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| There are 5 public holidays today. | |
| Day 266 of 2021 | |
| 99 days left in 2021 | |
| Week 38 of the year | |
| On this Day in History | |
| 1983 - Saint Kitts and Nevis joins the United Nations. | |
| 1846 - The planet Neptune is discovered by the French astronomer Urbain Jean Joseph Le Verrier and British astronomer John Couch Adams; verified by German astronomer Johann Gottfried Galle. | |
| 1459 - Battle of Blore Heath, the first major battle of the English Wars of the Roses, is fought at Blore Heath in Staffordshire. | |
| 1338 - The Battle of Arnemuiden was the first naval battle of the Hundred Years' War and the first naval battle using artillery, as the English ship Christofer had three cannon and one hand gun. |