1250 bce

Astronomy

The Babylonians develop an instrument that can determine when a star or planet is due south. See also 2575 bce Construction; 1050 bce Transportation.

The Olmec build one of the first large ceremonial centers in the Americas at a place on the Gulf of Mexico now known as San Lorenzo. It is constructed on a large raised platform, 54 m (150 ft) high, made by pouring many baskets of clay into a frame built with logs. See also 1400 bce Archaeology. See also 800 bce Construction.

Ironworkers are reported in Jaffa (Palestine), suggesting that the Hittite secrets for making iron are leaking out. See also 1286 bce Materials; 1185 bce Materials.

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