The Busójárás, known in Hungarian as Busó-walking; in Croatian: Pohod bušara, is an annual celebration of Šokci at Mohács in southern Hungary that is held towards the end of the Carnival season ("Farsang"), ending the evening before Ash Wednesday.
The most popular legend tells how people in Mohács fled to the nearby swamps and woods to avoid Turkish (Ottoman) soldiers during the Ottoman rule. One night, as they were sitting around the fire talking, an old sokac man appeared from nowhere and said, "Don't be afraid, things will get better soon and you'll go home. Prepare for the battle, create various weapons and scary masks for yourselves, and wait until the masked knight appears on a stormy night." They followed his orders, and on a stormy night, several days later, the knight arrived. It was ordered that they wear masks and go back to Mohács, making the most noise they could. The soldiers followed the orders. Because of the noise, the masks, and the storm in the night, the Turks believed they were being attacked by demons, and they fled from the town before sunrise.
The festival features Busós (people dressed in traditional masks) as well as dances, parades, and folk music. The busójárás festival lasts six days in February. Starting on Thursday, it is followed by the Kisfarsang (Little Farsang) carnival, which is celebrated on Friday, followed by the biggest celebration of Farsang Vasárnap (Farsang Sunday), which falls on the seventh Sunday before Easter Sunday; and ends with Farsangtemetés (Burial of Farsang) on the next Tuesday (Shrove Tuesday or Mardi Gras).
Known for their frightening costumes and cloaks, the busós are typically men wearing wooden masks. Among the many aspects of the festival are a costume contest for children, a display of mask carving and other artistic skills, the arrival of more than 500 busós in rowboats and horse-drawn or motorized fantasy vehicles for a parade through the city, the burning of a coffin in the central square symbolizing winter, and feasts and music all over the city.
Busós of all cultural backgrounds preserve the arts underlying these festivities and pass on techniques of mask carving and traditional ritual celebration to the next generation through self-organized groups. Even so, this tradition originated within the Croatian minority in Mohács, but today the busó is an emblem of the city and represents its great historical events. However, this event is more than just a social event, it expresses belonging to a city, a group of people, or a nation. Allowing people to express themselves in a communal setting, plays a significant role in society.
References
(https://ich.unesco.org/en/RL/bus-festivities-at-mohcs-masked-end-of-winter-carnival-custom-00252) (https://en.wikipedia.org/wiki/Bus%C3%B3j%C3%A1r%C3%A1s)