![Banana bread on a cutting board with bananas behind it](https://images.calendafest.com/posts/02/national-banana-bread-day.webp)
National Banana Bread Day
#FoodHonoring the sweet, moist loaf made from mashed bananas, a delicious treat enjoyed worldwide.
![Dog catching a biscuit](https://images.calendafest.com/posts/02/national-dog-biscuit-day.webp)
National Dog Biscuit Day
#Animals#Dogs#PetsAll about appreciating the joy and health benefits that these crunchy treats bring to our canine pals.
![Illustration of a dove with clouds on world day of understanding and peace](https://images.calendafest.com/posts/02/world-understanding-and-peace-day.webp)
World Understanding and Peace Day
#PeoplePromoting global awareness and encouraging international harmony and peaceful solutions to conflicts.
Interesting Facts of February 23rd
- There are 311 days remaining until the end of the year (or 312 days in leap years).
- Charles Martin Hall used an inexpensive method to produce aluminum for the first time on this day in 1886.
- February 23, 1455 is traditionally dated as the day the Gutenberg Bible (first major book printed using mass-produced movable type) was published.
- German theoretical physicist Werner Heisenberg wrote a letter to fellow physicist Wolfgang Pauli on February 23, 1927, in which he described his uncertainty principle for the first time.