All completed dossiers
Revealed daily file

Dossier №286

Tuesday, October 13, 2026

  1. 01

    2,014 AD

    The militant group ISIS declares a caliphate and adopts the name Islamic State.

    This question uses 2014 AD as its sourced chronological anchor.

    The announcement asserted authority over territory the group controlled in Iraq and Syria.

  2. 02

    2,008 AD

    CERN sends the first beam around the Large Hadron Collider.

    This question uses 2008 AD as its sourced chronological anchor.

    The accelerator's initial operation preceded a serious magnet incident that delayed subsequent testing.

  3. 03

    1,922 AD

    Howard Carter's excavation team discovers the tomb of Tutankhamun.

    This question uses 1922 AD as its sourced chronological anchor.

    The discovery revealed a near-intact royal burial; the burial chamber itself was opened during a later stage of the work.

  4. 04

    1,281 AD

    A second Mongol-led invasion of Japan fails after fighting and destructive storms.

    This question uses 1281 AD as its sourced chronological anchor.

    The expedition followed an earlier invasion attempt seven years before.

  5. 05

    70 AD

    Roman forces capture Jerusalem and destroy the Second Temple.

    This question uses 70 AD as its sourced chronological anchor.

    The siege was a decisive episode in the First Jewish-Roman War and devastated the city.