Americans have a habit of mixing words up and using them in the wrong context, this and then happen to be two words they mix up quite often.
Here is the blog article to accompany this Discussion Podcast:
https://gregoryrasputin.net/then-and-than-an-american-screw-up/
This is the Alphabet read in British English or Irish English to show the differences between this and American English
Twas The Night Before Christmas By Clement Clarke Moore
Read By GregoryRasputin
https://www.carols.org.uk/twas_the_night_before_christmas.htm