All completed dossiers
Revealed daily file

Dossier №271

Monday, September 28, 2026

  1. 01

    1,968 AD

    Martin Luther King Jr. is assassinated at the Lorraine Motel in Memphis.

    This question uses 1968 AD as its sourced chronological anchor.

    The civil rights leader was in the city to support striking sanitation workers.

  2. 02

    1,980 AD

    Workers in Gdańsk establish the independent Polish trade union Solidarity.

    This question uses 1980 AD as its sourced chronological anchor.

    The organization emerged from strikes at the Lenin Shipyard and won recognition outside the state-controlled union system.

  3. 03

    1,901 AD

    Queen Victoria dies at Osborne House on the Isle of Wight.

    This question uses 1901 AD as its sourced chronological anchor.

    Her death ended a reign of more than sixty-three years.

  4. 04

    1,497 AD

    John Cabot reaches the North American coast on a voyage commissioned by Henry VII.

    This question uses 1497 AD as its sourced chronological anchor.

    The voyage sailed from Bristol and renewed English interest in routes across the Atlantic.

  5. 05

    138 BC

    The Han court sends Zhang Qian west to seek an alliance with the Yuezhi.

    This question uses 138 BC as its sourced chronological anchor.

    The mission opened a new phase of Chinese knowledge about Central Asia, despite his long detention by the Xiongnu.