<u>Sparta was also known in early Greece as Lacedaemon</u>, an ancient Greek city-state located primarily in region of southern Greece (present-day) called Laconia. It was a warrior society that reached the height of its power after defeating city-state Athens (Peloponnesian War). Spartan culture was centered on loyalty to the state and military service. The city-state was known as Lacedaemon, while the name Sparta referred to its main settlement on the banks of the Eurotas River (Laconia).
The first polio vaccine was the inactivated polio vaccine, developed by Jonas Salk. The oral polio vaccine was developed by Albert Sabin.
