NEW UPDATES September 2025 The following sections have new and updated lore added: 1800, 1900-1939, 1940-1969, 2021-Present A unofficial collection of each significant event that officially takes place in the lore of Universal Orlando's Halloween Horror Nights event. In order by the timeline. IMPORTANT TO NOTE: this timeline collection is strictly focused on the original icons and houses created for the event and doesn't include story from IP properties unless directly related to the specific lore of the event. This timeline is only the in universe lore and nothing real world history about the event itself unless it relates directly to the lore. Also this timeline is ongoing and constant changes and revisions will be made to tighten up the story as more lore information gets released with each new HHN event. This timeline collection will never be complete so keep checking back!! Subscribe to Sunshine Theme Parks on YouTube and follow my socials! @sunshinethemeparks