Paleo-Hebrew & Oldest Hebrew inscriptions 1000 - 900 BCEPaleo-Hebrew Script (distinct from Phoenician).Oldest Hebrew inscriptions appear (Gezer Calendar, 10th century BCE); written in Paleo-Hebrew script. Became a separate script around 1000 BCE.Peleo-Hebrew is almost identical to the Phoenician it adapted from, with 22 letters, the same sounds, and evolved from the same ancestor (Proto-Canaanite).The Gezer Calendar (10th century BCE) is one of the earliest known examples.Used for Biblical Hebrew until the Babylonian Exile (6th century BCE), after which Aramaic script (Ktav Ashuri) replaced it.