If a game world is reset during an event or world quest, the event won't last longer than other worlds. The event schedule typically remains the same for all game worlds. However, if a game world is reset sometimes (not always) there's compensation. This compensation is usually double xp/skill the following weekend. I've tried to find an exception to this rule going based on my memory and of the news archives but I wasn't able to prove myself wrong. But of course, I've just looked through recent events. Here's to say this won't change in the future, I just cannot find any proof that Cipsoft extends events for certain worlds. Here are some examples-
Golden Contribution - Winter Update 2024 contestNovember 24, 2024
Brighid Grand Explorateur - Applying to TibiaQA team as ModeratorNovember 19, 2024
Looking for new TibiaQA staff membersJuly 12, 2024