This black-and-white flyer—hand-dated 1970—captures a grassroots call to action during one of the most volatile moments of the Vietnam War era. It implores readers to “Strike Back!! for the Vietnamese and Cambodians for the American People!!!,” pointing to the U.S. government’s widening military involvement in Southeast Asia, specifically the invasion of Cambodia and the renewed bombing of North Vietnam.
The flyer directs participants to a Los Angeles rally on Monday, May 4—coinciding with the tragic events unfolding at Kent State University that very day—underscoring how a single date in 1970 came to symbolize the intensification of student activism across the country.
Historical Context
By 1970, frustration over the Vietnam War had reached a boiling point. When President Nixon announced the U.S. incursion into Cambodia, student outrage erupted nationwide, as many feared an indefinite expansion of a conflict that already cost countless lives. Against this backdrop, May 4, 1970, became a defining moment of the anti-war movement. At Kent State University in Ohio, National Guardsmen opened fire on unarmed college students protesting the expansion of the war, resulting in four deaths and nine injuries. News of the Kent State shootings spread rapidly, galvanizing students across the country. Over four million students at hundreds of institutions engaged in strikes, class boycotts, and mass demonstrations, triggering the largest wave of student unrest in U.S. history.
Within this national context, the “Strike Back!!” flyer called for a rally at “4:30 p.m. – Library Park – E. Third” on the very day of the Kent State tragedy. Though the flyer’s creators could not have anticipated the violence, their message of defiance and the demand for immediate withdrawal from Southeast Asia resonated with the explosive upheaval unfolding that spring. As the leaflets circulated on campuses, they added to the chorus of voices urging students to organize, protest, and, ultimately, strike.
Strategy and Language
The flyer’s text is both urgent and direct. Urging participants to “Strike Back!!” conveys an imperative to rise up against what they viewed as unlawful acts of war. By referencing the repeated calls of “Out Now!,” it passionately demands the end of U.S. intervention in Southeast Asia. The flyer also criticizes the government’s “acts of aggression” and highlights the contradiction of fighting an undeclared war—an argument that further fueled legal and moral objections among student activists. Framing the struggle as both an American duty and an international solidarity movement, the language is designed to awaken a sense of responsibility and collective power.
Calls for a “nationwide student strike” illustrate the era’s shared strategy: to unify scattered protests under a single banner of objection. In the wake of Kent State, these collective strikes grew even more powerful, forging a sense of national urgency that, for many, transformed anger and grief into action.
Imagery and Symbolism
Though simple in format, the flyer’s sharp, handmade style suggests grassroots authenticity and urgency. The large, hand-sketched “Strike Back!!” across the top seizes attention, while exclamation marks and bold underlining project immediacy. Its distinctly minimal design—essentially black-and-white text—reflects the scrappy energy of underground printing practices. Such quick-turnaround methods helped activists distribute messages rapidly, an especially critical advantage in a time before digital communication.
Beyond its design, the repetitive, chant-like slogans (“Out Now! Out Now! Out Now!”) fostered solidarity. When flyers like this one populated campus walls and bulletin boards, they helped create a united front, urging immediate resistance and painting an image of thousands standing together in protest.
Impact
Flyers such as “Strike Back!!” were part of a larger tapestry of anti-war materials that shaped the collective consciousness of the time. The fateful events of May 4, 1970, catapulted student dissent to unprecedented levels, with strikes shutting down institutions coast to coast. This broad-based mobilization forced political leaders and the mainstream public to reckon more seriously with the legitimacy of the war, influencing shifts in policy and public opinion.
Special thanks to the USC Digital Imaging Lab for their support in digitizing this item.

