In what year was the American Petroleum Institute (API) formed?

The American Petroleum Institute (API) was formed in 1919, making that the correct choice. This organization was established to represent the oil and natural gas industry in the United States and has played a significant role in developing standards and advocacy for the energy sector. Understanding the founding date of API is important, as it provides context for its long-standing influence on industry practices, safety guidelines, and environmental responsibilities. The other years listed do not correspond to the establishment of API; instead, they may reflect other significant events in the industry or the formation of different organizations. Knowing the correct foundation year is essential for understanding the historical framework of the oil and gas industry and its regulatory environment.