In-universe, not by release. Dune counts years from the founding of the Spacing Guild — Paul’s story happens around 10,191 AG. The prequel sits millennia earlier, which is why there’s such a vast gap in the middle.
The Old Empire — the Sisterhood is born
Long before: the Butlerian Jihad — humanity’s war against thinking machines — bans computers forever and forces people to become the “computers” instead: Mentats, Navigators, the Bene Gesserit.
≈ 10,000 YEARS PASS
The Coming of the Kwisatz Haderach — Paul Atreides, ~10,191 AG
The exact same story — Paul, Arrakis, the spice — has been filmed four times. Pick your version in the next tab; here they are together:
The Reign & the Heirs — a generation later