cultureTimeline of Competitive Eating20 eventsMajor milestones in the rise of organized competitive eating as a modern spectator sport.
societyTimeline of the History of UFO Sightings20 eventsMajor reported sightings, investigations, and public milestones in the modern history of UFOs.
cultureTimeline of the Eurovision Song Contest20 eventsMajor milestones in the history, expansion, and cultural impact of the Eurovision Song Contest.
cultureTimeline of the History of the Sandwich20 eventsMajor milestones in the origin, naming, variation, and globalization of the sandwich.