International Kiss Day
International Kiss Day is held on April 13. This event in the second decade of the month April is annual. 
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International Kiss Day is celebrated on April 13 every year, a date that came about thanks to the longest kiss in history, which lasted 58 hours and which was starred by a Thai couple during a contest. The couple, in this way, broke their own record of 46 consecutive hours, achieved on April 13 of the 2016. In many cities, various types of contests are organized on this day in which participants must set kissing records.
On the other hand, July 6 is the International Stolen Kiss Day & World Kiss Day, which is a different celebration.
The idea behind International Kiss Day is to remind people of the simple pleasure associated with kissing for the sake of kissing, as opposed to kissing as a mere social formality or as a prelude to sex or other activities. Kissing can be a joyful and pleasurable experience in its own right. It is an expression of intimacy.
Similar holidays and events, festivals and interesting facts
Global Day of Action on Military Spending on April 12 (The day was originally proposed by the International Peace Bureau and the Institute for Policy Studies with the aim of promoting a common awareness of the amounts of money spent on military);
World Mixed Sandwich Day on April 12
Big Wind Day on April 12 (On April 12, 1934, the staff of the Mount Washington Observatory recorded the highest surface wind ever measured, anywhere on earth. This big wind was officially recorded at 231 miles per hour.);
Walk On Your Wild Side Day on April 12 (Thomas and Ruth Roy are credited with being the creators of this celebration);
Scrabble Day on April 13 (April 13th is the birthday of Alfred Butts, the inventor of the Scrabble game);
International Moment of Laughter Day on April 14 (is focuses on laughter as a way to de-stress);
America Day on April 14 (Día de las Américas [es] with the support of the Organization of American States);
International Goalkeeper Day on April 14
World Chagas Disease Day on April 14
Look Up at the Sky Day on April 14
Reach as High as You Can Day on April 14
That Sucks Day on April 14 (Throughout the history of the holiday and the organization that sponsored it, That Sucks LLC, they seek to exemplify all that is terrible and wrong in the world);
N'Ko Alphabet Day on April 14 (Mande speakers);
Wine Journalist's Day in Argentina on April 14