The phrase "historical statement" is correct and can be used in written English.
You can use it when you want to describe a statement that has been made in the past and is now generally accepted as fact. For example: "The statement that the world is round has been accepted as a historical statement for centuries."
Thus, the meaning of a historical statement is its truth conditions i.e., the situation that would have to obtain if the historical statement is to be true.
Clinton later tried to defuse the controversy by explaining that her pollster was simply making "a historical statement".
Perhaps unwittingly, Los Lobos have stumbled across the secret of the great boxed set: forget about the grand historical statement, and simply make people dance.
Mrs. Clinton then seconded the motion by telling Tim Russert in a debate that her pollster was "making a historical statement".
The depictions of cosmopolitan Germans and mostly avaricious, bestial Czechs are likely to stir strong emotions among some viewers, but over all "Habermann" is more potboiler than political or historical statement.
Eye witness accounts, and scientific facts, are part of what makes a historical statement true, but its truth transcends them because it is necessarily bound up with the cultural significances of the present.
According to the suit, the course material treated "the story of the creation, the life of Noah and his ark," among other things, as accurate historical statements.
"In her reply, she confirmed the information about her personal background, but said she did not wish to comment in any way on historical statements about the development of CRISPR technology.
These are 1) descriptive and historical statements, 2) theoretical generalizations about partial contents and 3) evaluative judgments and practical rules.
Yet as noted previously, Leibowitz cannot construe statements in the Torah regarding the event of revelation at Sinai as historical statements.
Historians can turn to the best available theories in the social and behavioral sciences to arrive at theories about causal mechanisms and human behavior; so historical statements depend ultimately upon factual inquiry and theoretical reasoning.
