Obviously the most prominent example of this, 6 of the 9 Supreme Court positions being held by Catholics cannot be discussed because of the 20 year rule, but such a dramatic change, from ostracization to influential, is too big for it to have started in the last two decades.
More can be said but consider Today, Catholics lead every branch of the US government [...] when/how did Catholicism become acceptable to the American Protestant mainstream? written by u/USReligionScholar