1968 New Hampshire Democratic presidential primary
E650398
The 1968 New Hampshire Democratic presidential primary was an early and influential contest in the 1968 U.S. presidential election, notable for Senator Eugene McCarthy’s strong anti–Vietnam War challenge to incumbent President Lyndon B. Johnson.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 1968 New Hampshire Democratic presidential primary canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7200675 — 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: 1968 New Hampshire Democratic presidential primary Context triple: [1964 New Hampshire Democratic presidential primary, followedBy, 1968 New Hampshire Democratic presidential primary]
-
A.
1960 New Hampshire Democratic presidential primary
The 1960 New Hampshire Democratic presidential primary was an early state contest in the 1960 U.S. presidential election cycle that helped gauge support for Democratic candidates seeking the party’s nomination.
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B.
1964 New Hampshire Democratic presidential primary
The 1964 New Hampshire Democratic presidential primary was an early contest in the 1964 U.S. presidential election cycle that helped gauge support for incumbent President Lyndon B. Johnson within the Democratic Party.
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C.
1968 California Democratic presidential primary
The 1968 California Democratic presidential primary was a pivotal and hard-fought contest that effectively decided the Democratic nomination’s direction before being tragically overshadowed by Robert F. Kennedy’s assassination on the night of his victory.
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D.
1968 Indiana Democratic presidential primary
The 1968 Indiana Democratic presidential primary was a pivotal early contest in that year's Democratic race, where Robert F. Kennedy scored a crucial victory that boosted his campaign's momentum.
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E.
New Hampshire Democratic primary
The New Hampshire Democratic primary is an early U.S. presidential nominating contest that plays an outsized role in shaping momentum and media narratives for Democratic candidates.
- 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: 1968 New Hampshire Democratic presidential primary Target entity description: The 1968 New Hampshire Democratic presidential primary was an early and influential contest in the 1968 U.S. presidential election, notable for Senator Eugene McCarthy’s strong anti–Vietnam War challenge to incumbent President Lyndon B. Johnson.
-
A.
1960 New Hampshire Democratic presidential primary
The 1960 New Hampshire Democratic presidential primary was an early state contest in the 1960 U.S. presidential election cycle that helped gauge support for Democratic candidates seeking the party’s nomination.
-
B.
1964 New Hampshire Democratic presidential primary
The 1964 New Hampshire Democratic presidential primary was an early contest in the 1964 U.S. presidential election cycle that helped gauge support for incumbent President Lyndon B. Johnson within the Democratic Party.
-
C.
1968 California Democratic presidential primary
The 1968 California Democratic presidential primary was a pivotal and hard-fought contest that effectively decided the Democratic nomination’s direction before being tragically overshadowed by Robert F. Kennedy’s assassination on the night of his victory.
-
D.
1968 Indiana Democratic presidential primary
The 1968 Indiana Democratic presidential primary was a pivotal early contest in that year's Democratic race, where Robert F. Kennedy scored a crucial victory that boosted his campaign's momentum.
-
E.
New Hampshire Democratic primary
The New Hampshire Democratic primary is an early U.S. presidential nominating contest that plays an outsized role in shaping momentum and media narratives for Democratic candidates.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Democratic Party presidential primary
ⓘ
United States presidential primary ⓘ |
| campaignIssue |
Johnson administration foreign policy
ⓘ
Vietnam War ⓘ draft and conscription ⓘ |
| campaignSlogan | "Get clean for Gene" ⓘ |
| candidatePositionEugeneMcCarthy | advocated de-escalation and negotiated settlement in Vietnam ⓘ |
| candidatePositionLyndonBJohnson | defended continuation of existing Vietnam War policy ⓘ |
| challengerCandidate |
Eugene McCarthy
ⓘ
Robert F. Kennedy ⓘ |
| chronology | one of the earliest state contests in the 1968 Democratic primary season ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| date | 1968-03-12 ⓘ |
| electoralProcess | primary election ⓘ |
| electorate | Democratic voters in New Hampshire ⓘ |
| era |
Vietnam War era
ⓘ
linked to:
Vietnam War
|
| followedBy | 1972 New Hampshire Democratic presidential primary ⓘ |
| historicalSignificance |
considered a turning point in the 1968 presidential campaign
ⓘ
symbolized growing intra-party revolt against an incumbent president ⓘ |
| ideologicalContext | opposition to the Vietnam War ⓘ |
| impact |
contributed to Lyndon B. Johnson’s March 31, 1968 withdrawal from the race
ⓘ
demonstrated significant Democratic opposition to Johnson’s Vietnam War policy ⓘ encouraged Robert F. Kennedy to enter the 1968 presidential race ⓘ |
| incumbentCandidate | Lyndon B. Johnson ⓘ |
| locatedIn | New Hampshire ⓘ |
| mediaCoverage | extensive national media attention due to antiwar challenge ⓘ |
| notableFor |
influencing Lyndon B. Johnson’s decision not to seek re-election
ⓘ
strong showing by anti–Vietnam War candidate Eugene McCarthy ⓘ weak performance by incumbent President Lyndon B. Johnson ⓘ |
| officeContested | President of the United States ⓘ |
| partOf |
1968 Democratic Party presidential primaries
ⓘ
1968 United States presidential election ⓘ |
| party |
Democratic Party (United States)
ⓘ
linked to:
Democratic Party
|
| precededBy | 1964 New Hampshire Democratic presidential primary ⓘ |
| relatedEvent |
1968 Democratic National Convention in Chicago
ⓘ
linked to:
1968 Democratic National Convention protests
|
| result |
Eugene McCarthy won a large share of the vote, exceeding expectations
ⓘ
Lyndon B. Johnson won a narrow victory in the popular vote ⓘ |
| typeOfVote | popular vote to select delegates to the Democratic National Convention ⓘ |
| voterMobilization | strong support from students and antiwar activists for Eugene McCarthy ⓘ |
| voteShareEugeneMcCarthy | approximately 42 percent of the vote ⓘ |
| voteShareLyndonBJohnson | slightly more than Eugene McCarthy’s vote share ⓘ |
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: 1968 New Hampshire Democratic presidential primary Description of subject: The 1968 New Hampshire Democratic presidential primary was an early and influential contest in the 1968 U.S. presidential election, notable for Senator Eugene McCarthy’s strong anti–Vietnam War challenge to incumbent President Lyndon B. Johnson.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
1964 New Hampshire Democratic presidential primary
→
followedBy
→
1968 New Hampshire Democratic presidential primary
ⓘ