"I before E except after C” is an old spelling rule, but there are many exceptions. Budweiser is one of the highest selling beers in the United States. The beer joke “I before E except in BUDWEISER” has been cited in print since at least November 1987.
Wikipedia: Budweiser (Anheuser-Busch)
Budweiser /ˈbʌdwaɪzər/ is a pale lager produced by Anheuser–Busch InBev. Introduced in 1876 by Adolphus Busch it has grown to become one of the highest selling beers in the United States, and is available in over 80 markets worldwide. It is made with up to 30% rice in addition to hops and barley malt. Budweiser is produced in various breweries located around the world. It is a filtered beer available in draught and packaged forms.
Google Groups: comp.mail.uucp
I before E except in BUDWEISER
Google Groups: alt.humor.best-of-usenet
From: (Frederick J. Polsky V1.0)
Subject: Froot Loop
Date: Fri, 13 Aug 1993 08:12:00 GMT
Sean sez: I before E except in Budweiser.
Google Groups: alt.bbs.wildcat
i before e except in “Budweiser”, where it’s me before u
Google Groups: alt.music.canada
I before E except in Budweiser and Heiniken
Google Groups: rec.games.fnp.dnd
I always thought it was ‘I before E, except in Budweiser.”
7 September 2000, Charlotte (NC) Observer, pg. 5E:
Today’s Quote: “Remember, I before E, except in Budweiser.”
Cozenage: Beware the Scam
By Mike Marsh
Lincoln, NE: iUniverse, Inc.
“Remember, ‘I’ before ‘E’, except in Budweiser,” volunteered Moanika.
Paws Or It’s a Dog’s Life:
A Tale with Many Wags
By Robert Ayres
Xlibris Corporation (Xlibris.com)
“Remember “I” before “E”, except in Budweiser.” ~Professor Irwin Corey
“I" before “E,” except in Budweiser.
(Joined Facebook December 14, 2009—ed.)