For 10 points, name this Athenian practice of exiling a citizen by a popular vote.
According to Plutarch, an illiterate man asked Aristides to perform this action because he was tired of hearing Aristides called "the Just." Pericles' father Xanthippus underwent this action due to the schemes of a politician who would later undergo it himself after leading the victorious (*) navy at Salamis. This action occurred to Themistocles, and Plutarch states that this action required 6,000 consenting citizens and customarily lasted for ten years. This practice derived its name from the pottery shards used to choose its victims. For 10 points, name this Athenian practice of exiling a citizen by a popular vote.
According to Plutarch, an illiterate man asked Aristides to perform this action because he was tired of hearing Aristides called "the Just."
ostracism (accept word forms; prompt on synonyms like banishment or voting for someone to go into exile until mention)