When we talk about the Slavs, we mean not so much an ethnic group of people as the customs and beliefs of the pagan Slavs who once inhabited the territories of modern Eastern European countries. Slavic holidays and rituals after the baptism of Russia formed the basis of Christian traditions, which are now revered on these lands. Slavs for us are like druids for northwestern Europeans. We do not agitate anyone to get married in an oak grove "in Slavonic," but do not deny your roots, feeding yourself with the horrors of the immorality of the Gentiles.
NameName
The most important Slavic rite is called naming. As it is easy to guess from the title, this is the naming by the name. The priests carry out baptism and name the baby a name that will reveal his abilities and lead in life. If we are talking about an infant who has never been baptized, this Slavic rite is called baptism, for the ceremony is similar to the one we are accustomed to from Christianity.
In the name, an adult needs a person who was not baptized before (but, naturally, was called a non-Slavic name all his life), or baptized in other faiths. In this case, first the purification ceremony will be held, and then the name of the naming.
Wedding
Slavic wedding ceremony is in many respects similar to the Christian wedding in Russia. Probably, the reason is that the original source was still a Slavic wedding. The groom before the wedding agrees with the bride about her abduction. The father of the bride is sent a ransom, and the future mother-in-law sends a curcher to the groom's house. On the eve of the wedding, a cock is sent to the bride's house, and on the wedding day a groom's friend comes and seeks a "hare" (bride).
During the festival itself, there are many fun games - "selling a sister's braid", the presence of a "peephole" near the bride, etc. The wedding itself takes place either near the oak tree, or in the Russian (not Christian) church.
Rituals and Rites
Most Slavic rites and rituals "degenerated" from pagan to Christian. For example, the holiday "Carols" is not just "caroling", when children tell carols to get for it sweets and money, and the primary celebration of Christmas, however, is not Christ's.
The Slavs (like any farmers), the lion's share of holidays is associated with the harvest. For example, on June 20 they celebrate "Green Christmas Day". Then people go out into the fields, which are already full grown and carry out magical rites for increasing yields.