Apr11 Fun Holidays on April 11

Honor people who build and work on submarines. Celebrate the day by eating submarine sandwiches. Read more

Barbershop Quartet Day on April 11 celebrates the barbershop style of music and singing. Read more

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Other Fun Holidays around April 11

The unofficial holiday acknowledges that everyone faces rejections once in a while and that rejection is part of the human experience.

Siblings Day is an unofficial holiday that honors siblings.

Grilled Cheese Day on April 12 is a day that honors all kinds of grilled cheese sandwiches.

April 12 is Yuri’s Night. It celebrates the first successful human space flight and aims to increase public awareness in space exploration.