20 Quirky & Rare Holidays People Observe Around the World

World Hello Day is a holiday created in the 1970s to remind the world that conflicts should be resolved with communication. It is celebrated annually on November 21 by verbally greeting 10 or more people.

August 1st is International Childfree Day. It was originally created in 1973 to celebrate people who voluntarily choose not to have children.

Singles day is a shopping holiday popular among young Chinese people that celebrate their pride in being single. The date, November 11th (11/11), was chosen because the number "1" resembles an individual who is alone.

Saint Lucy's Day is celebrated on December 13th in some countries by having a woman wear a crown made of lit candles while wearing white and red and distributing treats.

There is an annual holiday named El Colacho (Baby Jumping) in Spain where men dress as devils and jump over babies lying on mattresses to absolve them of original sin.

On August 15, Liechtenstein gives away free beer to anyone who shows up on their national holiday, Staatsfeiertag.

The Programmer's day is an international professional day that is celebrated on the 256th (hexadecimal 100th, or the 28th) day of each year (September 13 during common years and on September 12 in leap years). It is officially recognized in Russia. The number 256 (28) was chosen because it is the number of distinct values that can be represented with a byte, a value well known to programmers. 256 is also the highest power of two that is less than 365, the number of days in a common year.

On December 25, people celebrate A'phabet Day or No "L" Day. People need to avoid the use of ‘L’ in everything you write, ban the use of any object that begins with the letter 'L' in your house, and in your workplace.

May 26 is National Sorry day in Australia, to commemorate the mistreatment of the country’s indigenous people.

In Russia, the first day of school is called "Knowledge Day" which falls on September 1st and is a national holiday. Kids and parents celebrate it by bringing their kids to school carrying balloons and presents for their teachers. It's really special for first graders.