History of oil prices?

Question

When in the past has mere speculation and geo-political tension (not supply and demand) increased oil prices significantly? Please give dates, figures, names, and sources/references.

Answer 1

The oil shock of the 1970's during the Carter administration was another incident; oil prices during WWII would be another example.  See the link below for all of the information.

Answer 2

First time for everything and the two names are Cheney and Bush.