Timeline of telescopes, observatories, and observing technology

Timeline of telescopes, observatories, and observing technology. == Before the Common Era (BCE) == === 1900s BCE === Taosi Astronomical Observatory, Xiangfen County, Linfen City, Shanxi Province, China === 1500s BCE === Shadow clocks invented in ancient Egypt and Mesopotamia === 600s BCE === 11th–7th century BCE, Zhou dynasty astronomical observatory (灵台) in Fenghao (today's Xi'an), China === 200s BCE === Thirteen Towers solar observatory, Chankillo, Peru Antikythera Mechanism, a geared astronomical computer that calculates lunar and solar eclipses, the position of the Sun and the Moon the lunar phase (age of the Moon as seen from Earth), has several lunisolar calendars, including the Olympic Games calendar.

Source: Wikipedia — Timeline of telescopes, observatories, and observing technology (CC BY-SA 4.0)