August 23 national days 2026
On August 23rd, 3 national days fall on this date.
August 23 is a date on the 2026 national-day calendar. TheDayOf currently lists 3 observances for this date: National Sponge Cake Day, Find Your Inner Nerd Day, and International Day for the Remembrance of the Slave Trade and its Abolition. Open any day page for the date, history, and how to celebrate, or browse the rest of August from the month hub.
National Sponge Cake Day
National Sponge Cake Day on August 23 is a light, airy excuse to bake a classic foam cake. Sponge cake relies on beaten eggs for lift…
Find Your Inner Nerd Day
Find Your Inner Nerd Day on August 23 is permission to love the weirdly specific thing you love — spreadsheets, moths, deep lore, model…
International Day for the Remembrance of the Slave Trade and its Abolition
Each August 23, UNESCO marks the International Day for the Remembrance of the Slave Trade and its Abolition. The date recalls the night of…