Jerry
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First Barons' War (1215–1217)
John, King of England (John Lackland Plantaganet)
Magna Carta (1215)
The Commons
Planetary Commons
Outer Space
Astronomy
History of Astronomy
Otto E. Neugebauer
Attachments
Otto E. Neugebauer - Wikipedia
Parents
Babylonia
Babylonian Astronomy
Historians of Science
History of Astronomy
Mathematicians