Four Eras Timeline
This concise world history timeline provides a conceptual framework that can help students grasp the big picture of history from the big bang to the space age. The timeline identifies historical watersheds that separate the four eras, and it correlates to units in the Student's Friend concise historical narrative.
Print version of the timeline in pdf format.
If the print on the timeline is too small to read on your screen, turn your mobile device sideways to view a larger image.