historically
US /hɪˈstɔːr.ɪ.kəl.i/
UK /hɪˈstɔːr.ɪ.kəl.i/

1.
in a way that relates to history or to the past
:
•
The city is historically significant.
•
Historically, this region has been a crossroads of cultures.
2.
according to or in the manner of history
:
•
The film aims to portray events historically accurately.
•
The document is important for understanding the period historically.