At the very least
Please

		elseif 'Q' == holidayCode and self.existsClassic then
			-- Ahn'Q
			if 2020 == year and 7 >= month and day >= 29 then
				retval = true
			end

TBH
The conditionals for each material on each server being fulfilled/not fulfilled is probably best "ducked".

Ditto, when the war effort is finished, server by server.

I have put the above in my latest pull request. Also corrected some War Effort quests/NPCs.

I have updated the detection of AQ holiday in my latest push.