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Chrono #18 — the timeline

The seven events from October 18, 2026 in order, with their years, the gaps between them, and where each card belonged as it was dealt.

The timeline

YearEventSubjectTo the next
1869A golden spike completes the transcontinental railroadUS history7 years
1876Baseball's National League is foundedSports & games8 years
1884The Berlin Conference on carving up Africa opensWorld history23 years
1907Picasso paints Les Demoiselles d'AvignonArts & culture4 years
1911Roald Amundsen reaches the South Pole (the starting event)Science & discovery6 years
1917The National Hockey League is foundedSports & games22 years
1939Batman first appears in Detective ComicsArts & culture—

The closest call: Picasso paints Les Demoiselles d'Avignon (1907) and Roald Amundsen reaches the South Pole (1911), 4 years apart — the pair most easily put the wrong way round. The widest gap: 23 years, between The Berlin Conference on carving up Africa opens and Picasso paints Les Demoiselles d'Avignon.

Card by card

The line started with Roald Amundsen reaches the South Pole (1911). 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. A golden spike completes the transcontinental railroad — 1869. One of 2 gaps: it belonged before Roald Amundsen reaches the South Pole (1911).
  2. Batman first appears in Detective Comics — 1939. One of 3 gaps: it belonged after Roald Amundsen reaches the South Pole (1911).
  3. The Berlin Conference on carving up Africa opens — 1884. One of 4 gaps: it belonged between A golden spike completes the transcontinental railroad (1869) and Roald Amundsen reaches the South Pole (1911), 42 years apart.
  4. Baseball's National League is founded — 1876. One of 5 gaps: it belonged between A golden spike completes the transcontinental railroad (1869) and The Berlin Conference on carving up Africa opens (1884), 15 years apart.
  5. The National Hockey League is founded — 1917. One of 6 gaps: it belonged between Roald Amundsen reaches the South Pole (1911) and Batman first appears in Detective Comics (1939), 28 years apart.
  6. Picasso paints Les Demoiselles d'Avignon — 1907. One of 7 gaps: it belonged between The Berlin Conference on carving up Africa opens (1884) and Roald Amundsen reaches the South Pole (1911), 27 years apart.

Previous: Chrono #17 (Sat, Oct 17) · Next: Chrono #19 (Mon, Oct 19) · 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.