Monday
April 19, 2021
18 holidays and observances fall on this day.
Bicycle Day
Bicycle Day marks the anniversary of Albert Hofmann's first intentional LSD trip in 1943, highlighting a significant event in psychedelic history.
Congenital Diaphragmatic Hernia Action Day
Congenital Diaphragmatic Hernia Action Day is held on April 19 to raise awareness and support for children born with CDH.
Dutch-American Friendship Day
Dutch-American Friendship Day is observed on April 19 to celebrate the long-standing diplomatic ties between the two nations.
Boston Marathon
The Boston Marathon is a world-renowned road race held on the third Monday of April to celebrate athletic endurance.
National Cat Lady Day
National Cat Lady Day is observed on April 19 to celebrate the bond between women and cats and to break down negative stereotypes.
National Garlic Day
National Garlic Day honors the bold flavor and health benefits of garlic with delicious dishes and a nod to its rich cultural history.
Humorous Day
Humorous Day is an annual observance held on April 19 to promote the therapeutic power and joy of laughter.
National Poker Day
National Poker Day is a global celebration held on April 19 to honor the strategy and community of the world's most popular card game.
National Dog Parent Appreciation Day
National Dog Parent Appreciation Day is observed on April 19 to celebrate the dedicated people who provide loving homes for their canine companions.
National Amaretto Day
National Amaretto Day is an annual celebration held on April 19 to honor the bittersweet legacy of Italy's favorite almond-flavored liqueur.
Poetry & The Creative Mind Day
Poetry & The Creative Mind Day is held on April 19 to celebrate the influence of poetry on the imagination and the arts.
Sylvester the Cat's Birthday
Sylvester the Cat's Birthday is a fan-led celebration held on April 19 to honor the iconic Looney Tunes character.
Rice Ball Day
Rice Ball Day is a culinary celebration held on April 19 to honor the history and tradition of the Japanese onigiri.
National Hanging Out Day
National Hanging Out Day is an environmental holiday held on April 19 to promote air-drying laundry and energy conservation.
John Parker Day
John Parker Day is observed on April 19 to honor the captain who led the Lexington militia at the start of the American Revolution.
National Oklahoma City Bombing Commemoration Day
National Oklahoma City Bombing Commemoration Day is a somber observance held on April 19 to honor the victims of the 1995 attack.
National North Dakota Day
National North Dakota Day is an annual celebration held on April 19 to honor the history and culture of the Peace Garden State.
Primrose Day in the UK
National Primrose Day commemorates the death of Benjamin Disraeli and celebrates the first flowers of spring every April 19.
Coming up next
420
420 is a global counterculture holiday held on April 20 to celebrate cannabis and advocate for its legalization.
International Cli-Fi Day
International Cli-Fi Day, celebrated on April 20th, honors climate fiction's role in raising awareness about environmental issues through storytelling.
Chinese Language Day
Chinese Language Day is observed on April 20 to celebrate the history, culture, and global significance of the Chinese language.
Volunteer Recognition Day
Volunteer Recognition Day is observed on April 20 to celebrate the individuals who give their time to make the world a better place.
National Pineapple Upside-Down Cake Day
National Pineapple Upside-Down Cake Day is held on April 20 to celebrate the sweet, caramelized, and iconic American skillet cake.
Look Alike Day
Look Alike Day is observed every April 20 to celebrate the fun of finding your physical "double" in the world.
Lima Bean Respect Day
Lima Bean Respect Day is observed on April 20 to celebrate the nutritional value and culinary history of the buttery lima bean.
National Cheddar Fries Day
National Cheddar Fries Day is observed every April 20 to honor the crispy, cheesy, and indulgent American comfort food classic.