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Chrono #23 — the timeline

The seven events from October 23, 2026 in order, with their years, the gaps between them, and where each card belonged as it was dealt.

The timeline

YearEventSubjectTo the next
1516Thomas More's Utopia is publishedArts & culture93 years
1609Kepler publishes his first two laws of planetary motionScience & discovery265 years
1874Joseph Glidden patents his barbed wireInventions & technology48 years
1922Howard Carter finds Tutankhamun's tombScience & discovery34 years
1956The first transatlantic telephone cable goes into service (the starting event)Inventions & technology22 years
1978Space Invaders arrives in arcadesSports & games33 years
2011Osama bin Laden is killedUS history—

The closest call: The first transatlantic telephone cable goes into service (1956) and Space Invaders arrives in arcades (1978), 22 years apart — the pair most easily put the wrong way round. The widest gap: 265 years, between Kepler publishes his first two laws of planetary motion and Joseph Glidden patents his barbed wire.

Card by card

The line started with The first transatlantic telephone cable goes into service (1956). 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.

  1. Thomas More's Utopia is published — 1516. One of 2 gaps: it belonged before The first transatlantic telephone cable goes into service (1956).
  2. Kepler publishes his first two laws of planetary motion — 1609. One of 3 gaps: it belonged between Thomas More's Utopia is published (1516) and The first transatlantic telephone cable goes into service (1956), 440 years apart.
  3. Joseph Glidden patents his barbed wire — 1874. One of 4 gaps: it belonged between Kepler publishes his first two laws of planetary motion (1609) and The first transatlantic telephone cable goes into service (1956), 347 years apart.
  4. Osama bin Laden is killed — 2011. One of 5 gaps: it belonged after The first transatlantic telephone cable goes into service (1956).
  5. Howard Carter finds Tutankhamun's tomb — 1922. One of 6 gaps: it belonged between Joseph Glidden patents his barbed wire (1874) and The first transatlantic telephone cable goes into service (1956), 82 years apart.
  6. Space Invaders arrives in arcades — 1978. One of 7 gaps: it belonged between The first transatlantic telephone cable goes into service (1956) and Osama bin Laden is killed (2011), 55 years apart.

Previous: Chrono #22 (Thu, Oct 22) · Next: Chrono #24 (Sat, Oct 24) · 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.