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At Harvard’s first in-person Commencement ceremony since 2019, the principle speaker, New Zealand Prime Minister Jacinda Ardern, called on graduates to protect democracy and embrace “genuine debate and dialogue” with differing perspectives.

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At a separate, second Commencement ceremony held on Sunday, Attorney General Merrick B. Garland ’74 called on Class of 2020 and 2021 graduates to pursue public service.

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Graduates entered Harvard Yard to the pomp and circumstance traditional of a Harvard commencement. Above, Arts and Humanities Dean Robin Kelsey, former Undergraduate Council President Noah A. Harris ’22, and Dean of Students Katherine G. O'Dair walk into Harvard Yard together.

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Middlesex County Sheriff Peter Koutoujian called the ceremony to order to raucous applause in Harvard Yard.

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Caroline S. Engelmayer '20 delivered the Latin Salutatory at Sunday's Class of 2020 and 2021 Commencement ceremony. Engelmayer's address was titled "A Lasting Journey."

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Benjamin J. Porteous ’22 delivered the Latin Salutatory during Thursday's Class of 2022 ceremony.

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Harvard sociologist William Julius Wilson, journalist and activist Gloria Steinem, and New Zealand Prime Minister Jacinda Laurell Ardern were awarded honorary degrees during Thursday's Class of 2022 ceremony.

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Supreme Court Justice Ketanji Brown Jackson ’92, who serves on the Harvard Board of Overseers, attended Thursday’s Class of 2022 Commencement Exercises. Jackson, whose term on the University’s second-highest governing board ends this year, was confirmed to the Supreme Court last month.

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Dean of the College Rakesh Khurana held up a photo he took of students to ask permission to post it on his Instagram account.

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A saxophonist and a drummer affiliated with Currier House riff in Harvard Yard ahead of Sunday's Commencement ceremony.

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Adams House affiliates pose for a photo on their way into Harvard Yard for Sunday's Commencement ceremony.