Even though it jumps all over history there is a chronological order the Assassin's Creed games can be played in. Even better, playing through Assassin's Creed in historical order doesn't really mean players will miss out on any of the overall story. From Ancient Greece to the Industrial Revolution, there are so many settings in the series that it can be overwhelming to figure out where to start.
https://screenrant.com/assassins-creed-timeline-every-game-order/