Who loves tie-dye, hemp and peace? Hippies, of course! The term hippie came into popular use to describe the youth counter cultural movement of the mid-1960s. Hippie culture exploded during the summer of 1967, also known as the Summer of Love. During this time, hundreds of thousands of hippies gathered together in San Francisco and celebrated hippie music, drugs, anti-war, and free-love.

One of the biggest perspectives of hippies was an opposition to the Vietnam War, promoting peace instead. Hippies adopted the peace sign as the symbol for the movement, which had originally been designed by the Campaign for Nuclear Disarmament by the United Kingdom. And to this day, this symbol continues to be a popular sign of peace.

Music had a huge influence on the hippie movement, with some of the biggest performers being Bob Dylan, The Beatles, Simon and Garfunkel, Cat Stevens and The Mamas & the Papas. In 1969, the biggest hippie festival in history occurred, known today simply as Woodstock. Woodstock was hosted on a dairy farm in Bethel, New York and was billed as "an Aquarian Exposition: 3 Days of Peace & Music." Woodstock wound up attracting 400,000 peace lovers and defined the entire generation.

In honor of all the hippies out there, still spreading peace and love, take a peek at 25 of the grooviest tattoos out there. Then let us know your favorite hippie band in the comment section on social media.