International Plant Appreciation Day
International Plant Appreciation Day highlights the vital role plants play in our lives and encourages actions to support their conservation.
Sunday
What holiday is on April 13?
14 holidays and observances fall on April 13.
Orthodox Easter Monday
Orthodox Easter Monday is a time of spiritual renewal and communal joy, extending the celebration of the Resurrection across Eastern Christian cultures.
Divine Mercy Sunday
Divine Mercy Sunday is a Catholic feast day celebrated annually on the second Sunday of the Easter season.
Theravada New Year
Theravada New Year is a sacred and joyful three-day celebration of renewal and merit-making held across Southeast Asia.
International FND Awareness Day
International FND Awareness Day is an annual global effort to support those with Functional Neurological Disorder held on April 13.
World's Day of Remembrance for Victims of Katyn Massacre
The World's Day of Remembrance for Victims of Katyn Massacre is a solemn annual tribute held on April 13 to honor Polish victims of Soviet crimes.
Yom HaShoah
Yom HaShoah is a solemn memorial day on the 27th of Nisan that honors the victims and heroes of the Holocaust.
International Special Librarians Day
International Special Librarians Day honors niche information experts annually on April 13.
National Scrabble Day
National Scrabble Day, observed every April 13th, honors the birth of Alfred Mosher Butts, the inventor of the beloved word game Scrabble.
National Peach Cobbler Day
National Peach Cobbler Day is an annual celebration of a classic American dessert held on April 13.
Thomas Jefferson Day
Thomas Jefferson Day is an annual celebration of the birth and democratic legacy of the third U.S. President held on April 13.
National Silly Earring Day
National Silly Earring Day is an annual celebration of quirky fashion and creative jewelry held on April 13.
National Borinqueneers Day
National Borinqueneers Day is an annual tribute to the heroism of the 65th Infantry Regiment held on April 13.
National Make Lunch Count Day
National Make Lunch Count Day is an annual call to action for workplace wellness and productivity held on April 13.
Coming up next
Tamil New Year
Tamil New Year is a cultural celebration of new beginnings observed annually on April 14.
World Quantum Day
World Quantum Day promotes public understanding of quantum science and technology, highlighting its impact on modern innovations.
International Moment of Laughter Day
International Moment of Laughter Day is an annual celebration of the healing power of humor held on April 14.
World Chagas Disease Day
World Chagas Disease Day is a global health awareness event held annually on April 14.
National Ex-Spouse Day
National Ex-Spouse Day is an annual observance for forgiveness and healing after divorce held on April 14.
National Pecan Day
National Pecan Day celebrates the rich history, nutritional benefits, and culinary versatility of the pecan, a nut native to North America.
National Dolphin Day
National Dolphin Day is an annual celebration of dolphin intelligence and conservation held on April 14.
Pathologists’ Assistants Day
Pathologists’ Assistants Day honors the essential contributions of pathologists' assistants in healthcare, recognizing their role in accurate diagnoses.
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