We call phrases which at first seem to contradict itself but when you think about it proves to be okay 'oxymorons'.
Many people have a lot of difficulty using apostrophes properly—until now. I have created a video which will go a long way to helping you understand how to use apostrophes correctly.
Her Brittanic Majesty is Queen Elizabeth II. The II (two) is her regnal number, and the entire monicker, Elizabeth II, is her regnal name. All monarchs choose a regnal name upon ascension to their throne.