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First to file and first to invent

First Minister and Deputy First Minister of Northern Ireland

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FIRST Robotics Competition

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Who's on First?

First impression

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First responder

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First Things First

First Things First (album)

First-person narrative

FIRST Lego League Challenge

FIRST Tech Challenge

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Ɂakisq̓nuk First Nation

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Breadth-first search

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For the First Time

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Wizard's First Rule

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Ceremonial first pitch

Love at First Sight

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First lieutenant

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List of first ladies of Minnesota

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Certified first responder

Mitaanjigamiing First Nation

First-wave feminism

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First Things First (talk show)

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First Second Books

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People-first language

First-mover advantage

Beneteau First 14

First-person shooter

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Sipekne'katik First Nation

First white child

First Presidency

Deputy First Minister of Scotland

First Council of Nicaea

First Twenty Years

First ladies of North Dakota

Sq'éwlets First Nation

First Choice (UK)

First Amendment audit

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The First Edition (album)

First Niagara Bank

FIRST Championship

First Communion

Amazon Canada First Novel Award

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First Shō dynasty

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First Minister's Questions

First-preference votes

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Depth-first search

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Cayoose Creek First Nation

1986–87 Saudi First Division

First-hitting-time model

Qalipu First Nation

New Zealand First

First ladies and partners of California

List of first ladies of the United States

First Church in Salem

Nanoose First Nation

First Anniversary

First-look deal

First Lady of American Samoa