College Dean of Student Life Stephen Lassonde sent an email to undergraduates Friday afternoon awknoledging the demonstration, but asking participants to refrain from gathering in the Science Center Plaza before 5 p.m., when final exams concluded for the day.

Although protesters began gathering before the permitted 5 p.m. start time, they remained quiet until exams concluded.

Among the first demonstrators to arrive was Timothy C. Devine ’17, who said that although the campus movement would lessen when students left campus for the winter break, its momentum would be “spread to a thousand hometowns across the country.”  

Lassonde, Dean of the College Rakesh Khurana, and other College administrators would be present for the demonstration, Lassonde said earlier Friday.

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More than two hours after they began, shortly after 7 p.m., the protesters returned to Harvard Square, where they staged the final die-in along Mass. Ave. in front of the Smith Campus Center.

After the die-in, one of the march’s organizers asked the protestors to sit where they were.

“Thank you all for inviting yourselves. Look to the left and right. Tell your neighbor, ‘Welcome to the movement.’ This is the moment. Don’t wait. Tell them you won’t stop until you see justice. This is our Selma,” she said.

—Check TheCrimson.com and follow @thecrimson on Twitter for updates.

—Staff writers Jalin P. Cunningham, Noah J. Delwiche, Mariel A. Klein, and Kamara A. Swaby contributed to the reporting of this story.

—Staff writer Michael V. Rothberg can be reached at mrothberg@college.harvard.edu. Follow him on Twitter @mvrothberg.

—Staff writer Steven R. Watros can be reached at steven.watros@thecrimson.com. Follow him on Twitter @SteveWatros.