History doesn’t always announce itself when it shifts. Sometimes it arrives as a line of cars stretching around a gas station, engines idling, drivers staring at empty pumps as if the shortage might resolve itself if they just waited long enough. The oil crises of the 1970s were exactly that kind of moment—mundane on the surface, seismic underneath. What began in October 1973 as a calculated geopolitical move during the Yom Kippur War became something far larger: a rupture in the assumption that energy, especially oil, would always be cheap, abundant, and politically neutral.