The least popular birthday in the world would be on February 29 because it is on leap year and leap year comes evry 4 years so February 29 only exists one day every 4 years so it would probly be the least popular.
the least popular month is february because it has the least amount of days.
the least popular girl name in the world is Timber.
when is your birthday? there's your answer...
Vatican City is the least populous country in the world.
bananas are the least expensive and most popular fruit.
Seal clubbing.
sweden
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Seal clubbing.
latican city
A survey showed that JULY 19TH was the most popular birth date in the U.K. However I do not know what the least popular date is...
A person shares their birthday with at least nine million different people around the world.