Wenceslaus is a name of Czech origin derived from the Old Bohemian words' Věncesláv', which is made up of 'Věnce', meaning 'to conquer', and 'slav', meaning 'glory'. The meaning of Wenceslaus is "one who brings glory through conquest". The name was popular in the Bohemian kingdom, where Wenceslaus I, Duke of Bohemia, ruled from 921 to 935. Wenceslaus was also the name of Saint Wenceslaus, also known as Saint Wenceslas, in the 10th century. He is the patron saint of the Czech Republic and is celebrated on September 28th, the Feast of Saint Wenceslaus. Wenceslaus became popular in the Middle Ages, especially in the Bohemian kingdom, and was commonly used among the nobility. It has since become less popular and is now considered a rare name, especially in the English-speaking world. However, it remains an important name in Czech culture and is still used in the Czech Republic.