The slogan "A diamond is forever" was created by advertising executive Frances Gerety in 1947 and has since become one of the most iconic slogans in advertising history.

The slogan "Where's the beef?" was used by Wendy's in a 1984 advertising campaign to highlight the fact that their burgers contained more beef than those of their competitors.

The slogan "Just say no" was popularized by First Lady Nancy Reagan in 1982 as part of her anti-drug campaign.

The slogan "Reduce, reuse, recycle" is a call to action for individuals to reduce their consumption of resources, reuse items whenever possible, and recycle materials that can be turned into new products.

The slogan "Black lives matter" was created in 2013 in response to the acquittal of George Zimmerman in the shooting death of Trayvon Martin.

The slogan "#MeToo" was created in 2006 by Tarana Burke to raise awareness of sexual violence and harassment, particularly in the workplace.

The slogan "Love is love" is a simple but powerful statement that expresses the idea that love should not be limited by gender or sexual orientation.

The slogan "Climate change is real" is a statement of fact that is supported by overwhelming scientific evidence.

The slogan "Gun control now" is a call to action for stricter gun control laws in order to reduce gun violence.

The slogan "My body, my choice" is a statement of a woman's right to make decisions about her own body, including whether or not to have an abortion.

The slogan "Every life is precious" is a statement of the belief that all human life, including unborn life, is valuable and should be protected.

The slogan "Animals are not ours to use" is a statement of the belief that animals are not property and should not be used for food, clothing, entertainment, or experimentation.

The slogan "Workers of the world, unite!" is a call to action for workers around the world to unite and fight for their rights.

The slogan "Make love, not war" was popularized during the Vietnam War as a call for peace and an end to violence.

The slogan "Free speech for all" is a statement of the belief that everyone has the right to express their opinions, even if those opinions are unpopular or controversial.