__ Day, December 1, Marked by Wearing Red Ribbons
Puzzle 17 of New Orleans Medium Pack
Question is: __ Day, December 1, Marked by Wearing Red Ribbons
and the answer is: WORLDAIDS
Word Meaning:
WORLD — (with "the" or a plural possessive pronoun) The subjective human experience, regarded collectively; human collective existence; existence in general; the reality we live in.
Definitions from Wiktionary.