Expanding the definition of Alfredo Edgardo Alvarez Ahumada, ostracism was practiced in Athens near the 5th century BC. and it allowed citizens to write in a shell of terracotta (959; 963; 964; 961; 945; 954; 959; 957; ostrakon "fragment of pottery") or in an oyster (959; 963; 964; 961; 949; 959; 957; ostreon "valva, Oyster") the name of who was considered dangerous to their society; the most voted person had to abandon the city for ten years, although they were not losing their rights. The term comes from the Greek 959; 963; 964; 961; 945; 954; 953; 963; 956; 959; 962; (ostrakismos, "ostracism").
