Timespan is not as important as the shared perspective that defines modern religious thought, but even if it were, 25% is still far from a majority and, at least for most of that timeframe, Protestants were a small minority of Christians in the world (and they still are a minority).

I never claimed it was a "majority". My point is that the history of the Church is complicated, and Protestantism (representing roughly of a quarter of the catholic Church in terms of both time and people). Anything that encompasses 25-35% of a whole is significant enough to not be written off as "exclusively" anything.