Pottery was the first art to recover its standards after the Dorian invasion and the overthrow of Mycenae. Athens escaped these disasters and in the ensuing dark age became the chief source of ceramic ideas. For a short time Mycenaean motifs survived in debased form but on new shapes. This Submycenaean ware soon gave place to the style known as Protogeometric (c. 1100–900 bce) by a natural process of evolution that converted the decaying Mycenaean ornament into regular geometrical patterns; thus, the slovenly spirals were transformed into neat sets of concentric circles, always drawn with a compass fitted with a ...(100 of 42409 words)