The Basel Carnival, known as Basler Fasnacht, is an annual festival held in Basel, Switzerland. It typically begins on the Monday after Ash Wednesday and lasts for three days. The event features colorful parades, elaborate costumes, and lively music, attracting both locals and tourists. Participants often wear masks and play traditional instruments, creating a vibrant atmosphere throughout the city. The carnival has deep historical roots, dating back to the 14th century. It serves as a time for people to celebrate before the Lenten season. The Morgestraich, the opening event, occurs at 4 a.m. on Monday, marking the start of the festivities with a spectacular display of lanterns and music.