What impact did the Greeks have on the cultures of all peoples?

In antiquity, the impact was as follows:

Military science, shipbuilding. Greek achievements in military affairs were borrowed by other peoples, for example, the Etruscans in Italy began to use the phalanx.
Colonization. She spread Greek culture from Colchis to Gibraltar.
Philosophy. Greek philosophy and literature entered Roman culture, and then into medieval culture, and then ours, for example, the works of Homer.
They came up with the Olympics.
The era of Hellenism. After the campaigns of Alexander the Great, Greek culture reached Egypt and Bactria. There appeared gymnasiums, a theater, sculptures in the Greek manner and houses in the same style. The Greek letter also came to these territories.