In San Sebastian on February 4. The San Sebastián Caldereros Fiesta is in memory of the Hungarian gypsies who used to pass through the city, proclaiming their services by banging their hammers against pots and pans. Everyone dresses up in traditional gypsy garb. The festival is also known as Tinker’s Day. This represents the traditional actions of the gypsies who used to make a din to proclaim their services as they arrived in San Sebastian.