Chrono #17 — the timeline
The seven events from October 17, 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 |
|---|---|---|---|
| 1929 | The St. Valentine's Day Massacre | US history | 26 years |
| 1955 | James Dean dies in a car crash | Arts & culture | 9 years |
| 1964 | Mary Poppins arrives in theaters | Arts & culture | 15 years |
| 1979 | Skylab falls back to Earth | Space | 19 years |
| 1998 | Mark McGwire hits 70 home runs (the starting event) | Sports & games | 9 years |
| 2007 | Amazon releases the first Kindle | Inventions & technology | 9 years |
| 2016 | The first detection of gravitational waves is announced | Science & discovery | — |
The closest call: James Dean dies in a car crash (1955) and Mary Poppins arrives in theaters (1964), 9 years apart — the pair most easily put the wrong way round. The widest gap: 26 years, between The St. Valentine's Day Massacre and James Dean dies in a car crash.
Card by card
The line started with Mark McGwire hits 70 home runs (1998). 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.
- The St. Valentine's Day Massacre — 1929. One of 2 gaps: it belonged before Mark McGwire hits 70 home runs (1998).
- Mary Poppins arrives in theaters — 1964. One of 3 gaps: it belonged between The St. Valentine's Day Massacre (1929) and Mark McGwire hits 70 home runs (1998), 69 years apart.
- The first detection of gravitational waves is announced — 2016. One of 4 gaps: it belonged after Mark McGwire hits 70 home runs (1998).
- Skylab falls back to Earth — 1979. One of 5 gaps: it belonged between Mary Poppins arrives in theaters (1964) and Mark McGwire hits 70 home runs (1998), 34 years apart.
- Amazon releases the first Kindle — 2007. One of 6 gaps: it belonged between Mark McGwire hits 70 home runs (1998) and The first detection of gravitational waves is announced (2016), 18 years apart.
- James Dean dies in a car crash — 1955. One of 7 gaps: it belonged between The St. Valentine's Day Massacre (1929) and Mary Poppins arrives in theaters (1964), 35 years apart.
Previous: Chrono #16 (Fri, Oct 16) · Next: Chrono #18 (Sun, Oct 18) · 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.