PUBLIC LEDGER · REVIEWED CORPUS
Facts before interpretation.
Every precedent is dated, linked to an institution, and separated from its editorial classification. The ledger will grow without hiding its limitations.
A visible corpus, not a black box
Bars show the number of records classified in each area. They do not represent probability.
HISTORICAL RECORDS
23 precedents shown
01
Napoleon enters Russia
The Grande Armée crossed the Niemen, opening the Russian campaign that ended in catastrophic retreat.
Business -1Family -1Health -2World affairs -2
This classification guides retrieval; it is not a historical fact or evidence of causation.
02
Einstein submits special relativity
Einstein completed and submitted “On the Electrodynamics of Moving Bodies,” a landmark of modern physics.
Business +1Discovery +2World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
03
Black Tuesday market collapse
The Dow fell nearly twelve percent, deepening the 1929 stock-market crash and its economic shock.
Business -2Family -1Health -1World affairs -2
This classification guides retrieval; it is not a historical fact or evidence of causation.
04
Victory in Europe Day
Germany’s unconditional surrender ended the European theatre of the Second World War.
Business +1Family +1Health +1World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
05
Apollo 11 lands on the Moon
Apollo 11 completed the first crewed lunar landing, changing the scale of human exploration.
Business +1Discovery +2World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
06
The Berlin Wall opens
Crossing points opened and the destruction of the barrier dividing Berlin began.
Business +1Relationships +1Family +2World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
07
Convention on the Rights of the Child
The United Nations General Assembly adopted the international convention on children’s rights.
Family +2Health +1World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
08
Marriage equality recognized across the U.S.
The U.S. Supreme Court held that same-sex couples have a constitutional right to marry.
Relationships +2Family +2World affairs +1
This classification guides retrieval; it is not a historical fact or evidence of causation.
09
First image of a black hole
The Event Horizon Telescope collaboration unveiled the first direct visual evidence of a black hole and its shadow.
Business +1Discovery +2World affairs +1
This classification guides retrieval; it is not a historical fact or evidence of causation.
10
WHO declares a global health emergency
The novel-coronavirus outbreak was declared a Public Health Emergency of International Concern.
Business -2Family -1Health -2World affairs -2
This classification guides retrieval; it is not a historical fact or evidence of causation.
11
Death of Queen Elizabeth II
The death of Britain’s longest-reigning monarch opened a period of public mourning and transition.
Family -2Health -1World affairs -1
This classification guides retrieval; it is not a historical fact or evidence of causation.
12
First powered aircraft flight
Orville Wright completed the first controlled, powered flight of a heavier-than-air aircraft at Kill Devil Hills.
Business +1Discovery +2World affairs +1
This classification guides retrieval; it is not a historical fact or evidence of causation.
13
United Nations Charter signed
Representatives signed the founding Charter of the United Nations in San Francisco after the international conference.
Business +1Family +1World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
14
Universal Declaration of Human Rights adopted
The United Nations General Assembly proclaimed the Universal Declaration of Human Rights in Paris.
Family +1Health +1World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
15
Treaty of Rome signed
Six countries signed the treaty establishing the European Economic Community in Rome.
Business +2World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
16
Sputnik inaugurates the Space Age
The Soviet Union launched Sputnik, the first artificial satellite placed in Earth orbit.
Business +1Discovery +2World affairs +1
This classification guides retrieval; it is not a historical fact or evidence of causation.
17
Global eradication of smallpox declared
The World Health Assembly formally declared that smallpox had been eradicated worldwide.
Family +1Health +2World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
18
Space Shuttle Challenger accident
Space Shuttle Challenger broke apart 73 seconds after launch, killing all seven crew members.
Family -2Health -2Discovery -1World affairs -1
This classification guides retrieval; it is not a historical fact or evidence of causation.
19
Chernobyl nuclear accident
A catastrophic accident occurred at Unit 4 of the Chernobyl nuclear power plant, releasing radioactive material.
Business -1Family -2Health -2World affairs -2
This classification guides retrieval; it is not a historical fact or evidence of causation.
20
CERN releases Web software into the public domain
CERN made World Wide Web software freely available, enabling its rapid worldwide dissemination.
Business +2Discovery +2World affairs +2
This classification guides retrieval; it is not a historical fact or evidence of causation.
21
September 11 attacks
Four coordinated terrorist attacks killed 2,977 people in the United States and produced extensive global consequences.
Business -2Family -2Health -2World affairs -2
This classification guides retrieval; it is not a historical fact or evidence of causation.
22
Human Genome Project completion announced
The international sequencing consortium announced that the Human Genome Project’s original goals had been completed.
Business +1Health +2Discovery +2World affairs +1
This classification guides retrieval; it is not a historical fact or evidence of causation.
23
United Kingdom votes to leave the European Union
A UK-wide referendum returned a 51.9 percent vote to leave the European Union.
Business -1World affairs -1
This classification guides retrieval; it is not a historical fact or evidence of causation.