The story about Bulgarian Martenitza . In Bulgaria we have a very interesting tradition and it is related to the 1st of March. It is not a big holiday, but it is more traditional than celebration and is based on the founding of Bulgaria. . . The tradition is that on the 1st of March and the days after all people give to each other very interesting strips or small wool dalls called Pigo and Penda, or as we call them Martenitzi. .