Conversation so far:
What are the lyrics in the UK in relation to God Save the Queen?
The phrase God Save the King is much older than the song, appearing, for instance, several times in the King James Bible.
When was the song God Save the Queen written?
The author of God Save the Queen is unknown, and it may originate in plainchant; but an attribution to the composer John Bull is sometimes made.
Are there any other interesting aspects about the God Save the Queen article besides when the song was written?
The first published version of what is almost the present tune of God Save the Queen appeared in 1744 in Thesaurus Musicus.

Question: How is this different than the current song?
Self-contained rewrite: How is the 1744 Thesaurus Musicus version of God Save the Queen different than the current song?