- Timeline of Fictional Future Events
- Timeline of Science and Technology in the Twentieth Century
- Timeline of Science Fiction Ideas, Technology and Inventions (search by device name, by author, by category, or by novel/story title)
- Twentieth-Century History (organized by English-Speaking World, Europe, The Rest of World; also has a focus on technology)
- Gerry Canavan and Eric Carl Link’s chronology in The Cambridge History of Science Fiction