UPDATED! Lammas – Saturday, August 4 at 10 AM – 3 PM Saturday, August 4 at 10 AM – 3 PM Blue Bell Hill Park842 Walnut Ln, Philadelphia, Pennsylvania Lammas Day (Anglo-Saxon hlaf-mas, “loaf-mass”), is a holiday celebrated in some English-speaking countries in the Northern Hemisphere, usually between 1 August and 1 September. It is a festival to mark the annual...