https://quizfactz.com/Trivia with its sources showinghttps://quizfactz.com/largest-empires-in-history/https://quizfactz.com/largest-empires-in-history/2026-10-20The British, Mongol and Russian empires and the rest of the list: peak areas, dates, where the estimates come from and why the ranking is less precise than it looks.https://quizfactz.com/holy-roman-emperors/https://quizfactz.com/holy-roman-emperors/2026-10-19Who the Holy Roman Emperors were, how they were elected and crowned, the key rulers from 800 to 1806, and why the Empire was 'neither holy, nor Roman, nor an empire'.https://quizfactz.com/the-longest-rivers-in-africa/https://quizfactz.com/the-longest-rivers-in-africa/2026-10-18The Nile, Congo, Niger, Zambezi and the rest of Africa's ten longest rivers, with lengths, outlets and countries, plus why published lengths disagree.https://quizfactz.com/largest-lakes-in-the-world/https://quizfactz.com/largest-lakes-in-the-world/2026-10-17The Caspian Sea, Lake Superior, Lake Victoria and Baikal: the world's largest lakes ranked three ways, with the definitional arguments that change the answer.https://quizfactz.com/giant-asian-hornet/https://quizfactz.com/giant-asian-hornet/2026-10-16Vespa mandarinia, the world's largest hornet: size, range, venom, how it raids honeybee hives, how Japanese bees fight back, and how North America eradicated it.https://quizfactz.com/hairless-dog-breeds/https://quizfactz.com/hairless-dog-breeds/2026-10-15The four best-known hairless dog breeds, the genetics behind hairlessness, why hairless dogs often lack teeth, and what their bare skin needs.https://quizfactz.com/bones-of-the-body/https://quizfactz.com/bones-of-the-body/2026-10-14Why adults have 206 bones and babies more, how they split between skull, spine, ribs, arms and legs, the longest and smallest bones, and what bones do besides hold us up.https://quizfactz.com/central-nervous-system/https://quizfactz.com/central-nervous-system/2026-10-13What the central nervous system is, how the brain and spinal cord are built and protected, how neurons signal, and the numbers worth knowing, from 86 billion neurons to 31 pairs of spinal nerves.https://quizfactz.com/christmas-truce/https://quizfactz.com/christmas-truce/2026-10-12How British and German soldiers stopped fighting on the Western Front at Christmas 1914, what the evidence says about the football matches, and why it was never repeated on the same scale.https://quizfactz.com/how-did-halloween-start/https://quizfactz.com/how-did-halloween-start/2026-10-11Where Halloween comes from: the Gaelic festival of Samhain, the Christian feast of All Saints, guising and souling, turnip lanterns, and how the holiday crossed the Atlantic.https://quizfactz.com/hand-gestures/https://quizfactz.com/hand-gestures/2026-10-10Thumbs up, OK, the V sign, beckoning and nodding: which everyday gestures change meaning from country to country, what the evidence says, and the myths behind some of them.