Leon was King of Sparta from 590 to 560 BC. Sparta was an important Greek city-state in the Peloponnesus. ... Centuries: 7th century BC - 6th century BC - 5th century BC Decades: 640s BC 630s BC 620s BC 610s BC 600s BC - 590s BC - 580s BC 570s BC 560s BC 550s BC 540s BC Events and Trends 598 BC - Jehoaichin succeeds Jehoiakim as King of Judah 598 BC - Babylonians capture Jerusalem... Centuries: 7th century BC - 6th century BC - 5th century BC Decades: 610s BC 600s BC 590s BC 580s BC 570s BC - 560s BC - 550s BC 540s BC 530s BC 520s BC 510s BC Events and Trends 562 BC - Amel-Marduk succeeds Nebuchadnezzar as king of Babylon 560 BC - Neriglissar succeeds...