KENT, Ohio -- The May 4 Task Force, an on-campus student organization, is holding its 47th annual commemoration of the May 4, 1970 tragedy with events today (May 3) and May 4, according to the university website..

Thursday’s annual noon commemoration event has been moved indoors to the Kent Student Center Ballroom due to the impending bad weather.

According to the Task Force, the annual commemoration provides an opportunity for the university community, alumni and others to gather together and remember those individuals who were lost or injured during the tragedy.

The Task Force details that May 4, 2017 marks 47 years since four students were shot and killed here. On May 4, 1970, members of the National Guard fired into the crowd. Four students were killed and nine were injured.

The National Guard was called to the campus to oversee student protests regarding the Vietnam War. When President Richard Nixon declared the United States' intention to attack Viet Cong, protests followed,.

According to the university, the protests started peacefully, but became confrontational as protestors clashed with police and violence ensued. The National Guard was called in on May 2.

The four students shot and killed were Jeffrey Miller, Allison Krause, William Schroeder and Sandra Scheur.

The university closed for six weeks following the shootings

For more information about Kent State's May 4 Visitor Center, click here.

RELATED | Kent State May 4, 1970 site now National Historic Landmark

This year’s theme is “Tent City, 40 years later.”

Other events include book signings, an advance screening of a CNN original series episode focused on Kent State and May 4, panel discussions and the annual candlelight walk, vigil and commemoration, according to the university website.

LIST | May 3 and May 4 events