Omaha race riot of 1919
E852491
The Omaha race riot of 1919 was a violent white mob attack on Black residents in Omaha, Nebraska, marked by lynching, arson, and widespread destruction during the wave of racial unrest known as the Red Summer.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Omaha race riot of 1919 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10282143 — 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: Omaha race riot of 1919 Context triple: [Red Summer, hasNotableEvent, Omaha race riot of 1919]
-
A.
1921 Tulsa Race Massacre
The 1921 Tulsa Race Massacre was a devastating white supremacist attack in which a prosperous Black community in Tulsa’s Greenwood District was destroyed, resulting in widespread death, displacement, and the leveling of “Black Wall Street.”
-
B.
Colfax massacre
The Colfax massacre was an 1873 episode of racial and political violence in Louisiana in which white supremacists killed dozens of Black freedmen, marking one of the deadliest incidents of Reconstruction-era terror and undermining Black civil rights in the post–Civil War South.
-
C.
Chicago Race Riot of 1919
The Chicago Race Riot of 1919 was a major episode of racial violence during the Red Summer in which tensions between Black and white residents erupted into deadly clashes, particularly on Chicago’s South Side.
-
D.
Mustard Race Riot
Mustard Race Riot is a work by the band Death and Disaster, likely a song or recording known for its provocative title and intense, chaotic style.
-
E.
Sacking of Lawrence
The Sacking of Lawrence was an 1856 pro-slavery attack on the anti-slavery stronghold of Lawrence, Kansas, that escalated sectional tensions in the lead-up to the American Civil War.
- 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: Omaha race riot of 1919 Target entity description: The Omaha race riot of 1919 was a violent white mob attack on Black residents in Omaha, Nebraska, marked by lynching, arson, and widespread destruction during the wave of racial unrest known as the Red Summer.
-
A.
1921 Tulsa Race Massacre
The 1921 Tulsa Race Massacre was a devastating white supremacist attack in which a prosperous Black community in Tulsa’s Greenwood District was destroyed, resulting in widespread death, displacement, and the leveling of “Black Wall Street.”
-
B.
Colfax massacre
The Colfax massacre was an 1873 episode of racial and political violence in Louisiana in which white supremacists killed dozens of Black freedmen, marking one of the deadliest incidents of Reconstruction-era terror and undermining Black civil rights in the post–Civil War South.
-
C.
Chicago Race Riot of 1919
The Chicago Race Riot of 1919 was a major episode of racial violence during the Red Summer in which tensions between Black and white residents erupted into deadly clashes, particularly on Chicago’s South Side.
-
D.
Mustard Race Riot
Mustard Race Riot is a work by the band Death and Disaster, likely a song or recording known for its provocative title and intense, chaotic style.
-
E.
Sacking of Lawrence
The Sacking of Lawrence was an 1856 pro-slavery attack on the anti-slavery stronghold of Lawrence, Kansas, that escalated sectional tensions in the lead-up to the American Civil War.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
anti-Black violence
ⓘ
historical event ⓘ pogrom ⓘ race riot ⓘ racially motivated violence ⓘ |
| chronologyWithinTopic |
occurring after the Washington, D.C. race riot of 1919
ⓘ
occurring before the Elaine massacre ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| describedBySource |
United States government reports on race riots
ⓘ
contemporary newspaper accounts ⓘ historical monographs on Red Summer ⓘ |
| endDate | 1919-09-29 ⓘ |
| followedBy | subsequent segregation and discrimination in Omaha ⓘ |
| hasCause |
allegation of assault against a white woman
ⓘ
racial tension ⓘ sensationalist newspaper coverage ⓘ white supremacist agitation ⓘ |
| hasEffect |
heightened fear in Black communities
ⓘ
national attention to racial violence in the Midwest ⓘ |
| hasPart |
attack on Douglas County Courthouse
ⓘ
attempted lynching of Mayor Edward Parsons Smith ⓘ burning of Douglas County Courthouse ⓘ |
| locatedInTheAdministrativeTerritorialEntity | Douglas County, Nebraska ⓘ |
| location | Omaha, Nebraska ⓘ |
| mainVictim | Black residents of Omaha ⓘ |
| partOf |
Red Summer
ⓘ
history of African Americans in Nebraska ⓘ racial conflicts in the United States in 1919 ⓘ |
| perpetrator |
white Omaha residents
ⓘ
white mob ⓘ |
| pointInTime | September 1919 ⓘ |
| result |
arson
ⓘ
deaths ⓘ deployment of federal troops ⓘ destruction of property ⓘ imposition of martial law–like conditions ⓘ injuries ⓘ lynching ⓘ |
| significantEvent | lynching of Will Brown ⓘ |
| significantPerson |
Edward Parsons Smith
ⓘ
Governor Samuel R. McKelvie ⓘ President Woodrow Wilson ⓘ
linked to:
Woodrow Wilson
Tom Dennison ⓘ Will Brown ⓘ |
| startDate | 1919-09-28 ⓘ |
| topic |
lynching in the United States
ⓘ
mob violence ⓘ racial segregation in the United States ⓘ white supremacy in the United States ⓘ |
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: Omaha race riot of 1919 Description of subject: The Omaha race riot of 1919 was a violent white mob attack on Black residents in Omaha, Nebraska, marked by lynching, arson, and widespread destruction during the wave of racial unrest known as the Red Summer.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.