The document divides Old Testament chronology into 3 periods from 2000BC to 0BC: 1) 2000BC-1200BC covers the Patriarchs to the Judges, including Abraham, Moses leading the Exodus from Egypt, and the age of Judges like Gideon and Samson. 2) 1200BC-600BC covers the period of Kings from Saul to the fall of Jerusalem to Babylon in 586BC, including the united and divided kingdoms of Israel and Judah. 3) 600BC-0BC covers the exiles in Babylon, rule under the Persians and Greeks, then Roman rule when Jesus was born around 4BC.