Ancient Greek warfare and slingers ("sfendonitai") while archers ("toxotai") were rare, mainly from Crete, or mercenary non-Greek tribes (as at the crucial battle of Plataea 479 B.C.) Greek armies gradually downgraded the armor of the hoplites (to linen padded thorax and open helmets) to make the phalanx more flexible and upgraded the javelineers to lightly armored general purpose infantry ("thorakitai" and "thyreophoroi") with javelins and sometimes spears. Eventually, these types effectively complemented the Macedonian style phalanx which prevailed throughout Greece after Alexander the Great. Cavalry had always existed in Greek armies of the classical era but the cost of horses made it far
Greek units of measurement Greek units of measurement A number of units of measurement were used in Greece to measure length, mass, area, and capacity. In Greece, the metric system has been used since 1836 and was made compulsory in 1922. One "piki" varied from 0.640 m to 0.670 m. 1 "pic" was equal to 1 piki. The "small piki" of Constantinople (also known as the "endeze") was equal to 0.648 m The "large piki" of Constantinople (also known as the "arsin") was equal to 0.669 m A masonry "piki" (also known as the "meimar zire") was equal to 0.750 m. Two types of