Science & Discovery in the 6th century BC

10 sourced entries, 572 BCE to 500 BCE, oldest first. Also see Science & Discovery across every century or everything else in the 6th century BC.

• 572 BCE572 BC is the earliest document in the Al-Yahudu Tablets, around 15 years after the destruction of the Solomon's Temple, during the reign of Nebuchadnezzar II.source
• 561 BCEAll eight solar system planets, including the now redefined dwarf planet Pluto, fall into planetary alignment.source
• 557 BCEMay 19: The Persians besiege Larissa (Calah) but fail to capture it. However, when a solar eclipse occurs, the inhabitants leave their city and it is taken.source
• 556 BCEPisistratus is expelled to Euboea from Athens, and makes his fortune from Thrace's mines.source
• 540 BCEComet Hale–Bopp appears in the evening sky, making its closest approach to Earth. Its next appearance occurs in 1997.source
• 530 BCERoyal Arch Masons use this year for dating their documents Anno Inventionis, after the beginning of the Second Temple by Zerubbabel.source
• 502 BCEDecember 4—A solar eclipse darkens Egypt (computed, no clear historical record of observation).source
• 500 BCEMesoamerican calendars are developed by the Olmec civilisationsource
• 500 BCEAccording to the records of Shankara Mutts, a proponent of the Advaita Vedanta Sri Adi Shankaracharya was born in this centurysource
• 500 BCEThe oldest known Zapotec writing appears (approximate date).source