Similar protests date to the 1970s, but their focus has evolved over time. Sunday’s event was prompted by a former Cornell University student’s lawsuit alleging she was raped.

© Lauren Lancaster for The New York Times

The decades-old organization, which pushes to end sexual violence, plans to marshal students across more than 90 campuses on Sunday.

© Daniel DeLoach/Utica Observer-Dispatch/USA TODAY NETWORK, via Reuters