Chronology of world oil market events

== The 1930s == === 1934 === July 14: first oil arrives at the Tripoli terminal of the 12-inch Kirkuk-Haifa oil pipeline October 14: first oil arrives at the Haifa terminal of the 12-inch Kirkuk-Haifa oil pipeline == The 1950s == === 1951 === December 19: first shipment of Zubair oil sails from the new Al Faw terminal. == The 1970s == See: 1970–1979 world oil market chronology === 1970 === January 1: US Federal oil depletion allowance reduced from 27.5 to 22.0 percent.

Source: Wikipedia — Chronology of world oil market events (CC BY-SA 4.0)