St Piran's Day St Piran's Day St Piran's Day () is the county day of Cornwall, held on 5 March every year. The day is named after one of the patron saints of Cornwall, Saint Piran, who is also the patron saint of tin miners. St Piran's Day started as one of the many tinners' holidays observed by the tin miners of Cornwall. Other miners' holidays of a similar nature include Picrous Day and Chewidden Thursday. The miners of Breage and Germoe observed St Piran's feast day as that of their patron saint until at least 1764. "St. Piran's Day was said to
St. Martin's Day St. Martin's Day Saint Martin's day, also known as the Feast of Saint Martin, Martinstag or Martinmas, as well as Old Halloween and Old Hallowmas Eve, is the feast day of Saint Martin of Tours (Martin le Miséricordieux) and is celebrated on November 11 each year. This is the time when autumn wheat seeding was completed, and the annual slaughter of fattened cattle produced "Martinmas beef". Historically, hiring fairs were held where farm laborers would seek new posts. Saint Martin of Tours was a Roman soldier who was baptised as an adult and became a bishop in a French town.