Folk singer Arlo Davy Guthrie was born in New York and is the son of
folk singer and composer Woody Guthrie. is known for singing songs
of protest against social injustice.

Woody Guthrie

Single sleeve for the Crosby, Stills, Nash & Young “Ohio”

"Ohio" is a protest song written and composed by Neil Young in
reaction to the Kent State shootings of May 4, 1970 after having
seen photos of the incident in Life Magazine. It was recorded at
Record Plant Studio 3 in Hollywood. The song peaked at #14 on
the Billboard Hot 100.   

Crosby, Stills, and Nash in 2007

The Ohio National Guardsmen opened fire on students during an anti-
Vietnam war protest at Kent State University. Four students were killed
and nine others were wounded.

At Kent State University a demonstration with about 500 students was held
on Friday, May 1 on the Commons, a grassy knoll in the center of campus. As
the crowd dispersed without incident to attend classes by 1 pm that afternoon,
another rally was planned for Monday, May 4 to continue the protest of president
Nixon’s expansion of the Vietnam War into Cambodia.

The campus of Kent State University in Ohio

The route is memorialized as the Selma To Montgomery Voting Rights Trail

The Selma to Montgomery marches were a series three marches that marked the  
peak of the American civil rights movement. They grew out of the voting rights
movement in Selma, Alabama. The third march of 25,000 people concluded at
the steps of the State Capitol Building where Martin Luther King, Jr. delivered
his “How Long, Not Long” speech (below).