When using “between” to specify a date or number range, we must replace the hyphen with and.
Incorrect: Demirkent served in senior executive roles between 1936-68.
Correct: Demirkent served in senior executive roles between 1936 and 68.
So, please do not add a hyphen between numbers or dates, if you are constructing the phrase with “between”.
You may find a related article on dashes in here.