Gasoline prices have experienced significant fluctuations over the decades, influenced by global events, economic shifts, and policy changes. For instance, in 2022, the average price per gallon reached $4.09, marking a notable increase from previous years. (history.com) Similarly, in 2026, prices surpassed $4 per gallon, driven by geopolitical tensions affecting oil supply chains. (apnews.com) These variations underscore the complex interplay between international affairs and fuel costs, highlighting the importance of understanding gas prices as a lens to view historical events.