A map of the then known world in the 3rd century BCE, by Eratosthenes from Libya, includes Libya, Egypt and part of Europe, together with land as far east as India and Sri-Lanka (Ceylon) and as far west and north as what?
What do the writings - by historian Sima Qian 2nd century BCE in the "Shiji"; by Saint Augustine in "Confessions" about 400 CE; in "The Book of Margery Kempe" 1438; by Enea Silvio Piccolomini (then Pope Pius II) in "Commentarii" 1458-1464 - have in common?