All completed dossiers
Revealed daily file

Dossier №231

Wednesday, August 19, 2026

  1. 01

    2,004 AD

    A university social network called TheFacebook launches from a Harvard dormitory.

    This question uses 2004 AD as its sourced chronological anchor.

    The service expanded far beyond campuses and became one of the world’s largest communication platforms.

  2. 02

    1,949 AD

    Twelve countries sign the North Atlantic Treaty and create NATO.

    This question uses 1949 AD as its sourced chronological anchor.

    The alliance treated an attack on one member as an attack on all and became a central institution of the Cold War.

  3. 03

    1,799 AD

    French soldiers uncover the Rosetta Stone during work near the Nile Delta.

    The same decree in three scripts became a key to ancient Egyptian writing.

    The stone carries a priestly decree in hieroglyphic, Demotic, and ancient Greek scripts. Comparing the texts helped scholars, especially Jean-François Champollion, decipher Egyptian hieroglyphs in the following decades.

  4. 04

    1,500 BC

    Indo-Aryan-speaking communities begin composing the earliest Vedic hymns in South Asia.

    This question uses 1500 BC as its sourced chronological anchor.

    The oral corpus preserved in the Rigveda shaped ritual, language, and religious traditions over many centuries.

  5. 05

    2,112 BC

    A law collection is credited to Ur-Nammu near the beginning of his reign.

    This question uses 2112 BC as its sourced chronological anchor.

    The surviving copies preserve one of the earliest known law codes, although scholars debate whether Ur-Nammu or his son Shulgi ordered its composition.

    Laws of Ur-Nammu tablet record

    Cuneiform Digital Library Initiative · verified 2026-08-06

    CDLI links the Laws of Ur-Nammu to the Ur III period, 2112–2004 BCE; the game uses the reign opening while acknowledging that surviving witnesses are later copies.