When did the first fairs appear?

So, first it is worth saying what fairs are, these are regular marketplaces of wide significance. Peculiar markets. For example, the first fairs in Russia appeared already at the turn of the fourteenth and fifteenth centuries. Now in our country, for example, there are so-called weekend fairs. As a rule, they are held on Fridays, Saturdays and Sundays. We also have regional fairs. They are carried out by the state authorities of the region. There are also specialized fairs.