20th century
E203501
The 20th century was a period of rapid global transformation marked by two world wars, decolonization, ideological conflicts, and major advances in science, technology, and social change.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 20th century canonical | 1 |
| Twentieth Century | 1 |
| twentieth-century United States | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1830978 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 20th century Context triple: [National Revolutionary Army, timePeriod, 20th century]
-
A.
Belle Époque
The Belle Époque was a period of relative peace, prosperity, and flourishing arts and culture in Europe, especially France, spanning roughly from the late 19th century until World War I.
-
B.
Modern era
The Modern era is the historical period characterized by rapid industrialization, scientific and technological advancement, nation-state formation, and profound social and cultural change from roughly the late 18th century to the present.
-
C.
Roaring Twenties
The Roaring Twenties was a decade of economic prosperity, cultural dynamism, and social change in the 1920s, marked by jazz music, flapper culture, and rapid industrial growth, particularly in the United States and Western Europe.
-
D.
Interwar period
The Interwar period was the turbulent era between World War I and World War II marked by political upheaval, economic crises, and the rise of totalitarian regimes across Europe and beyond.
-
E.
American Century
American Century is a concept coined by publisher Henry Luce to describe the 20th century as a period of dominant global influence and leadership by the United States.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: 20th century Target entity description: The 20th century was a period of rapid global transformation marked by two world wars, decolonization, ideological conflicts, and major advances in science, technology, and social change.
-
A.
Belle Époque
The Belle Époque was a period of relative peace, prosperity, and flourishing arts and culture in Europe, especially France, spanning roughly from the late 19th century until World War I.
-
B.
Modern era
The Modern era is the historical period characterized by rapid industrialization, scientific and technological advancement, nation-state formation, and profound social and cultural change from roughly the late 18th century to the present.
-
C.
Roaring Twenties
The Roaring Twenties was a decade of economic prosperity, cultural dynamism, and social change in the 1920s, marked by jazz music, flapper culture, and rapid industrial growth, particularly in the United States and Western Europe.
-
D.
Interwar period
The Interwar period was the turbulent era between World War I and World War II marked by political upheaval, economic crises, and the rise of totalitarian regimes across Europe and beyond.
-
E.
American Century
American Century is a concept coined by publisher Henry Luce to describe the 20th century as a period of dominant global influence and leadership by the United States.
- F. None of above. chosen
Statements (104)
| Predicate | Object |
|---|---|
| instanceOf |
century
ⓘ
historical period ⓘ |
| endTime | 2000 ⓘ |
| followedBy | 21st century ⓘ |
| follows | 19th century ⓘ |
| hasMajorEvent |
Algerian War of Independence
ⓘ
Balkan conflicts in the 1990s ⓘ Basque conflict ⓘ Bretton Woods Conference ⓘ Chernobyl disaster ⓘ Chinese Civil War ⓘ Chinese Revolution ⓘ Cold War ⓘ Cuban Missile Crisis ⓘ Great Depression ⓘ Great Leap Forward ⓘ
linked to:
Great Leap Forward policies
Green Revolution ⓘ Gulf War ⓘ HIV/AIDS pandemic ⓘ
linked to:
HIV/AIDS
Holocaust ⓘ Indian independence movement ⓘ Iranian Revolution ⓘ Iran–Iraq War ⓘ Korean War ⓘ Mao's Cultural Revolution ⓘ
linked to:
Cultural Revolution
Northern Ireland conflict ⓘ
linked to:
The Troubles
October Revolution ⓘ
linked to:
Russian Revolution
Palestinian–Israeli conflict ⓘ
linked to:
Arab–Israeli conflict
Russian Revolution ⓘ Rwandan Civil War ⓘ Rwandan genocide ⓘ
linked to:
1994 Rwandan genocide
Rwandan genocide tribunals ⓘ Six-Day War ⓘ Spanish Civil War ⓘ Spanish flu pandemic ⓘ
linked to:
1918 influenza pandemic
Spanish transition to democracy ⓘ Suez Crisis ⓘ Three Mile Island accident ⓘ
linked to:
Three Mile Island Nuclear Generating Station
Vietnam War ⓘ World War I ⓘ World War II ⓘ Yom Kippur War ⓘ Yugoslav Wars ⓘ anti-apartheid movement ⓘ anti-nuclear movement ⓘ apartheid in South Africa ⓘ civil rights movement in the United States ⓘ collapse of communist regimes in Eastern Europe ⓘ collapse of the Ottoman Empire ⓘ collapse of the gold standard ⓘ creation of Israel ⓘ creation of the European Union ⓘ creation of the League of Arab States ⓘ decolonization of Africa ⓘ decolonization of Asia ⓘ development of mass media ⓘ development of nuclear weapons ⓘ dissolution of the Soviet Union ⓘ end of apartheid in South Africa ⓘ environmental movement ⓘ establishment of the International Criminal Court ⓘ establishment of the International Monetary Fund ⓘ establishment of the World Bank ⓘ establishment of the World Trade Organization ⓘ expansion of public education ⓘ expansion of welfare states ⓘ fall of the Berlin Wall ⓘ formation of NATO ⓘ formation of the G7 ⓘ formation of the League of Nations ⓘ formation of the Non-Aligned Movement ⓘ formation of the United Nations ⓘ formation of the Warsaw Pact ⓘ gay rights movement ⓘ growth of air travel ⓘ information revolution ⓘ mass urbanization ⓘ moon landing ⓘ nuclear arms race ⓘ nuclear non-proliferation efforts ⓘ oil crises of the 1970s ⓘ partition of India ⓘ postcolonial independence movements ⓘ rise and fall of the British Empire ⓘ rise of communism ⓘ rise of fascism ⓘ rise of globalization ⓘ rise of identity politics ⓘ rise of international human rights law ⓘ rise of international organizations ⓘ rise of mass consumer culture ⓘ rise of neoliberal economic policies ⓘ rise of terrorism as a global issue ⓘ rise of the People's Republic of China ⓘ rise of the United States as a superpower ⓘ rise of the internet ⓘ second-wave feminism ⓘ sexual revolution ⓘ space race ⓘ spread of television ⓘ student protest movements of 1968 ⓘ women's suffrage movements ⓘ |
| partOf | 2nd millennium ⓘ |
| startTime | 1901 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: 20th century Description of subject: The 20th century was a period of rapid global transformation marked by two world wars, decolonization, ideological conflicts, and major advances in science, technology, and social change.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.