National Birth Control League
E825287
The National Birth Control League was an early 20th-century American organization that advocated for the legalization and public acceptance of contraception and disseminated information on birth control.
All labels observed (2)
| Label | Occurrences |
|---|---|
| American birth control movement | 3 |
| National Birth Control League canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9835105 — 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: National Birth Control League Context triple: [Mary Ware Dennett, memberOf, National Birth Control League]
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A.
Population Council
Population Council is an international nonprofit research organization focused on global health, reproductive health, and population issues.
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B.
Planned Parenthood
Planned Parenthood is a nonprofit organization that provides reproductive health care, sex education, and advocacy for reproductive rights in the United States and internationally.
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C.
National Council of Women
The National Council of Women was the official mass women’s organization in communist Romania, aligned with and controlled by the Romanian Communist Party to promote state policies on gender, labor, and social life.
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D.
Jackson Women’s Health Organization
Jackson Women’s Health Organization was the last remaining abortion clinic in Mississippi and the plaintiff in the landmark U.S. Supreme Court case Dobbs v. Jackson Women’s Health Organization, which overturned Roe v. Wade.
-
E.
National Organization for Women
The National Organization for Women is a leading American feminist advocacy group founded in 1966 that campaigns for women's rights, including issues such as reproductive freedom, economic equality, and an end to gender-based discrimination.
- 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: National Birth Control League Target entity description: The National Birth Control League was an early 20th-century American organization that advocated for the legalization and public acceptance of contraception and disseminated information on birth control.
-
A.
Population Council
Population Council is an international nonprofit research organization focused on global health, reproductive health, and population issues.
-
B.
Planned Parenthood
Planned Parenthood is a nonprofit organization that provides reproductive health care, sex education, and advocacy for reproductive rights in the United States and internationally.
-
C.
National Council of Women
The National Council of Women was the official mass women’s organization in communist Romania, aligned with and controlled by the Romanian Communist Party to promote state policies on gender, labor, and social life.
-
D.
Jackson Women’s Health Organization
Jackson Women’s Health Organization was the last remaining abortion clinic in Mississippi and the plaintiff in the landmark U.S. Supreme Court case Dobbs v. Jackson Women’s Health Organization, which overturned Roe v. Wade.
-
E.
National Organization for Women
The National Organization for Women is a leading American feminist advocacy group founded in 1966 that campaigns for women's rights, including issues such as reproductive freedom, economic equality, and an end to gender-based discrimination.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
American organization
ⓘ
birth control advocacy organization ⓘ nonprofit organization ⓘ |
| activity |
educating physicians and the public about contraception
ⓘ
lobbying for changes in federal law on contraception ⓘ lobbying for changes in state law on contraception ⓘ mailing informational literature on birth control ⓘ organizing public lectures on birth control ⓘ publishing pamphlets on birth control ⓘ |
| basedIn |
New York state
ⓘ
linked to:
New York State
|
| country |
United States
ⓘ
linked to:
United States of America
|
| dissolved | early 1920s ⓘ |
| distinctFrom |
American Birth Control League
ⓘ
linked to:
Planned Parenthood
Planned Parenthood Federation of America ⓘ
linked to:
Planned Parenthood
|
| field |
birth control
ⓘ
family planning ⓘ public health ⓘ reproductive rights ⓘ |
| focus |
legal and legislative strategies
ⓘ
married couples ⓘ middle-class women ⓘ |
| foundedBy |
Clara Gruening Stillman
ⓘ
Jessie Ashley ⓘ Mary Ware Dennett ⓘ other early 20th-century birth control activists ⓘ |
| hasKeyPerson |
Clara Gruening Stillman
ⓘ
Jessie Ashley ⓘ Mary Ware Dennett ⓘ |
| historicalContext |
Progressive Era United States
ⓘ
linked to:
Progressive Era
|
| ideology | birth control advocacy ⓘ |
| inception | 1915 ⓘ |
| influenced | later birth control advocacy organizations in the United States ⓘ |
| languageOfWork | English ⓘ |
| legalStatus | subject to Comstock law restrictions ⓘ |
| location | New York City ⓘ |
| mergedInto | Voluntary Parenthood League ⓘ |
| movement |
birth control movement
ⓘ
progressive era reform ⓘ women's rights movement ⓘ |
| opposedBy |
Anthony Comstock supporters
ⓘ
anti-vice societies ⓘ conservative religious groups ⓘ |
| purpose |
advocacy for legalization of contraception
ⓘ
dissemination of information on birth control ⓘ promotion of public acceptance of contraception ⓘ reform of Comstock laws ⓘ reform of anti-obscenity laws ⓘ |
| timePeriod | early 20th century ⓘ |
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: National Birth Control League Description of subject: The National Birth Control League was an early 20th-century American organization that advocated for the legalization and public acceptance of contraception and disseminated information on birth control.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: National Birth Control League
linked to: National Birth Control League
linked to: National Birth Control League