All completed dossiers
Revealed daily file

Dossier №220

Saturday, August 8, 2026

  1. 01

    1,903 AD

    The Wright brothers complete the first controlled, sustained flight of a powered airplane.

    Twelve seconds above the sand changed transportation forever.

    Orville Wright flew the Flyer near Kitty Hawk, North Carolina, while Wilbur watched from the ground. Four flights that day demonstrated controlled powered flight, combining propulsion with the crucial ability to steer.

  2. 02

    1,582 AD

    Pope Gregory XIII introduces a reformed calendar to correct accumulated drift.

    This question uses 1582 AD as its sourced chronological anchor.

    Catholic states skipped ten dates in October, while adoption elsewhere occurred gradually over several centuries.

  3. 03

    1,653 AD

    The principal construction of the Taj Mahal complex is completed at Agra.

    This question uses 1653 AD as its sourced chronological anchor.

    Commissioned by Shah Jahan for Mumtaz Mahal, the complex joined architecture, gardens, calligraphy, and imperial memory.

  4. 04

    330 AD

    Constantine formally dedicates Constantinople as a new imperial capital.

    This question uses 330 AD as its sourced chronological anchor.

    Its strategic site linked Europe and Asia and remained a center of Roman and Byzantine government for more than a millennium.

  5. 05

    1,293 AD

    Raden Wijaya founds Majapahit in eastern Java after defeating invading Yuan forces.

    This question uses 1293 AD as its sourced chronological anchor.

    The kingdom became a powerful node in maritime Southeast Asian politics, trade, and later historical memory.