Chrono #20 — the timeline
The seven events from October 20, 2026 in order, with their years, the gaps between them, and where each card belonged as it was dealt.
The timeline
| Year | Event | Subject | To the next |
|---|---|---|---|
| 1926 | Gertrude Ederle swims the English Channel | Sports & games | 26 years |
| 1952 | The first hydrogen bomb is tested (the starting event) | Science & discovery | 13 years |
| 1965 | Bob Dylan goes electric at the Newport Folk Festival | Arts & culture | 8 years |
| 1973 | Secretariat wins the Triple Crown | Sports & games | 13 years |
| 1986 | The Giotto probe flies past the heart of Halley's Comet | Space | 8 years |
| 1994 | Amazon is founded | Inventions & technology | 12 years |
| 2006 | Twitter launches | Inventions & technology | — |
The closest call: Bob Dylan goes electric at the Newport Folk Festival (1965) and Secretariat wins the Triple Crown (1973), 8 years apart — the pair most easily put the wrong way round. The widest gap: 26 years, between Gertrude Ederle swims the English Channel and The first hydrogen bomb is tested.
Card by card
The line started with The first hydrogen bomb is tested (1952). The six cards came out in this order — each the one with the most room around it among those left, so the early ones are footholds and the last are the squeeze.
- Twitter launches — 2006. One of 2 gaps: it belonged after The first hydrogen bomb is tested (1952).
- Gertrude Ederle swims the English Channel — 1926. One of 3 gaps: it belonged before The first hydrogen bomb is tested (1952).
- Secretariat wins the Triple Crown — 1973. One of 4 gaps: it belonged between The first hydrogen bomb is tested (1952) and Twitter launches (2006), 54 years apart.
- The Giotto probe flies past the heart of Halley's Comet — 1986. One of 5 gaps: it belonged between Secretariat wins the Triple Crown (1973) and Twitter launches (2006), 33 years apart.
- Amazon is founded — 1994. One of 6 gaps: it belonged between The Giotto probe flies past the heart of Halley's Comet (1986) and Twitter launches (2006), 20 years apart.
- Bob Dylan goes electric at the Newport Folk Festival — 1965. One of 7 gaps: it belonged between The first hydrogen bomb is tested (1952) and Secretariat wins the Triple Crown (1973), 21 years apart.
Previous: Chrono #19 (Mon, Oct 19) · Next: Chrono #21 (Wed, Oct 21) · All Chrono solutions
About Chrono
Chrono is Noggin’s timeline puzzle, on the second shelf: events dealt one at a time into a growing line, six cards a day, outside the daily line-up. How to play Chrono, or play today’s.