The term 'historically understood' is correct and can be used in written English.
You can use this phrase to explain that something is typically seen or accepted in a certain way due to long-standing tradition. For example, "The traditional roles of men and women in parenting are historically understood."
In Australia, we have historically understood this reasonably well in areas such as health and education.
If many people see Britishness, as historically understood, to be a diminishing asset, is that a surprise?
This less-controversial style involves activist moves that nevertheless seek to harmonize in some way with opera as it has been historically understood.
Most disconcerting, happiness seems to have little relation to economic achievement, which we have historically understood as the driver of well-being.
Text was historically understood to be a verbal artifact; the purpose of textual criticism was to preserve such documents in uncorrupted and accessible form.
A: The courts, historically, have been apolitical, have not wanted to get involved in the political process, and lawyers have, historically, understood the importance of an independent, separate court system as a branch of government.
during the 19th century a historically is understood to mean "in the past" in this context.
In spite of being widely considered the crucial element of these host parasite interfaces, the laminated layer has been historically poorly understood.
Piéron's Law, the power relation between mean RT and stimulus intensity or discriminability, has historically been understood to reflect a non-linear scaling between objective intensity and perception.
Thus, being rich has historically been understood - either consciously or unconsciously - as evidence of salvation.
To briefly review, a "search" historically was understood to be a physical intrusion into a physical space.
