Foursquare Day
Foursquare Day is a social media holiday that celebrates location-based networking and the exploration of local communities every April 16. The date was chosen through a playful mathematical pun, as…
Emancipation Day in the District of Columbia
Emancipation Day in the District of Columbia is a locally observed public holiday that commemorates the abolition of slavery in the nation’s capital on April 16. This day marks the…
Day of the Mushroom
Day of the Mushroom is a global celebration of the incredible diversity, nutritional value, and culinary versatility of fungi that takes place annually on April 16. This day serves as…
Youth Homelessness Matters Day
Youth Homelessness Matters Day is a national awareness campaign observed on the third Wednesday of April. In 2026, it falls on April 15. This day focuses on the specific challenges…
National Banana Day
National Banana Day is observed on the third Wednesday of April. In 2026, it falls on April 15. This day highlights the nutritional value and agricultural importance of the most…
World Day of Culture
World Day of Culture is observed annually on April 15. This day commemorates the signing of the Roerich Pact, an international treaty dedicated to the protection of artistic and scientific…
World Art Day
World Art Day is an international celebration observed annually on April 15. This day serves to promote the development, diffusion, and enjoyment of art, highlighting its role in fostering creativity,…
Universal Day of Culture
Universal Day of Culture is an international observance held annually on April 15. This significant date commemorates the signing of the Roerich Pact in 1935, a pioneering international treaty dedicated…
Titanic Remembrance Day
Titanic Remembrance Day is observed annually on April 15. This day marks the anniversary of the sinking of the RMS Titanic in 1912, one of the deadliest maritime disasters in…
That Sucks Day
That Sucks Day is an unofficial American holiday observed annually on April 15. This quirky observance was created to acknowledge the historically unfortunate events associated with this specific date, most…