When did the following event happen?
Construction of The Great Pyramid of Giza is completed for the Fourth Dynasty Pharaoh Khufu.
Select a space in the timeline below.
c. 250 BCE
Archimedes invents the screw pump for moving water and other materials.
Note:
BCE means that the date is the number of years before the current era (CE/AD).
c. is short for 'circa' and indicates that the date is considered approximate.