we have definitely always said the hague and never just hague but we never said the hague with a capital the in mid sentence that is some bizarre modern wikipedia hypercorrection that's like people retroactively putting camelcase into words where it never existed in the past my interest is more in how we used to alphabetize the name that i do not recall specifically but i suspect it would have been listed under 'h' not 't' since the the is only a the computer sort order didn't use to matter there was no such thing people named m' mac and mc were put together in a group by hand by some typesetter