For a city that has failed to do any serious building projects for so long, either one would be a historic achievement.
He said Iraq's leader was popular and had many historic achievements, which the world would recognize once the crisis was over.
This would be a historic achievement - in fact, the biggest advance since Medicare, three decades ago.
That does not mean the proposed settlement is not a historic achievement.
Some Arab officials call that commitment a historic achievement.
The conference, if it proceeds, will be a historic achievement.
This was a significant, perhaps historic, achievement whose meaning is not yet clear.
Republicans were potentially on the verge of a historic achievement.
It would be well to give this historic achievement by an Asian woman more attention.
As you are all aware, this historic achievement follows much preparation.