How long did it take to make the Bayeux Tapestry? How long did the first The Virgin of the Rocks take? How long does Cinco de Mayo last? How long is the Great Sphinx? How long is Andrew Wiles's proof? How long in Angkor Wat?
The first loaf of yeast-raised bread was probably created accidentally by mixing flour with ale rather than water to make dough, or from yeast spores in the air settling on dough before baking, particularly if the bakery was also a brewery. In Gaul, Spain and Britain people developed liquid ...