They had not demonstrated such offensive impotence since 1975.
He had demonstrated his desire for nuclear weapons since the late 1970's, when Iraqi scientists began making progress on a nuclear reactor.
Prototypes of both models have been demonstrated publicly since 2009.
The Dow is clearly in a trading range of 3,800 to 3,900, which it has demonstrated since late August.
The United States has clearly demonstrated since Sept. 11 that it is up to the challenge.
Americans have demonstrated a willingness to experiment with discount brands since their introduction in the late 1970's.
Germany is a democratic country and has demonstrated this in the 47 years since the end of the Second World War.
These IMUs have demonstrated extremely high reliability since their initial use in 1996.
With the exception of a few years in the 1960s, West's project has demonstrated "Georgiana" to the public continuously since 1928.
One group has demonstrated outside his house since his return.