prague.net

rRWAo TIL King of Bohemia Charles IV, who commissioned the construction of Prague's Charles Bridge in the 14th century, was rumored to have ordered that egg yolks be added to enrich the mortar and strength the bridge's structure. Scientific evidence indeed found the presence of egg proteins in the mortar.
8rwG TIL that for Easter in the Czech Republic, men use braided willows to whip women’s buttocks. Said women then thank the men for ensuring their beauty and vitality, and reward them with chocolate or a shot of plum brandy.