In Kenya's Masai tribes, when a baby is born, he/she must be carried by all the women in the clan that are witnessing the birth. Then, in order to wish him/her luck, they must spit in the baby’s mouth because for them, praising a newborn can put a curse on them.
Source: Global Citizen
In Iran, if someone offers you something (it can be food, a gift, etc.), you must reject it three times before actually accepting what you’re being given. Doing it another way is a sign of discourtesy.
In one of the Amazonian tribes of Brazil, the Satere-Mawe one, when a boy turns twelve, he becomes a man by putting his hand in a glove full of bullet ants and letting this exotic insect sting him for 10 minutes. Really, really painful.
In Yanomami tribes (originally from Venezuela), when someone dies, aboriginals eat their ashes, so his/her soul can be saved and bad spirits or demons get away from the corpse.
Source: White Wolf Pack
In the United States (Pennsylvania), a great number of people gather on the Groundhog Day. If there is sun and the shadow of the animal appears, the winter will stay for six more weeks. On the contrary, if the shadow is not seen, the spring will come soon.
Source: Must this tall to ride
Greece, a very superstitious country. It’s usual for greeks to say “piase kokkino” when two people say the same thing at the same time. Something similar happens if someone sees a black cat: he/she must spit three times. If they don’t, bad luck will come.
As a Christmas tradition, In Austria, in contrast to friendly Santa Klaus, a “demon” called Krampus can be seen wandering around the streets to scare little boys who misbehaved. This tradition takes place the first week of december.
Source: Daily Mail
In Sudan, concretely in the Latuka tribe, it is usual that if a man wants to marry a woman, he will kidnap her. The man can ask for the father’s permission first. In case he says no, the man will forcefully marry the woman anyway.
Source: India Weatherspoon
In Germany before a wedding, polterabend takes place. It’s a celebration where relatives crash a bunch of crockery pieces ageinst the ground for the bride and groom to clean them. This action refers to the hard times they will have to get through during the marriage. Anything can be thrown, except for mirrors.
To know more about:
Masai Tribes in Kenya: Listeverse.
Iran traditions: Globalization Partners.
Satere-Mawe tribe in Brasil: Oddity Central.
Yanomami tribe in Venezuela: Survival International.
Groundhog day in USA: Groundhog.
Superstions in Greece: Greek Reporter.
Krampus in Austria: Christmas Market Austria.
Latuka Tribe in Sudan: Africa facts.
Polterabend in Germany: Madten.