All completed dossiers
Revealed daily file

Dossier №229

Monday, August 17, 2026

  1. 01

    1,861 AD

    Confederate batteries fire on Fort Sumter, beginning the American Civil War.

    This question uses 1861 AD as its sourced chronological anchor.

    The attack in Charleston Harbor opened a four-year conflict over secession and slavery that transformed the United States.

  2. 02

    1,884 AD

    European powers meet in Berlin to formalize rules for claiming African territory.

    This question uses 1884 AD as its sourced chronological anchor.

    No African representatives participated as the conference accelerated colonial partition and violence.

  3. 03

    1,848 AD

    Revolutionary uprisings spread across much of Europe in a single turbulent year.

    This question uses 1848 AD as its sourced chronological anchor.

    Demands for constitutions, national self-rule, and social reform briefly toppled governments, even where conservative power soon returned.

  4. 04

    221 BC

    The king of Qin defeats the last rival state and claims a new imperial title.

    Short-lived Qin rule established a durable model of centralized empire.

    Qin Shi Huang standardized measures, writing practices, and administration across conquered states. The dynasty fell soon after his death, but the imperial framework influenced Chinese government for more than two millennia.

  5. 05

    860 BC

    The kingdom of Urartu consolidates around Lake Van in the Armenian Highlands.

    This question uses 860 BC as its sourced chronological anchor.

    Fortresses, irrigation, inscriptions, and metalwork marked a durable rival to Assyria.