Situational Irony: The Voting Rights Act
Johnson's Voting Rights Act was designed to promote racial harmony in the United States, yet it did directly the opposite: it provoked violence in the country.
Situational Irony: The Hippie Movement
The Hippie Movement, which aimed to make the United States and its people more progressive, did directly the opposite in the long run. The Hippie Movement led to the election of Republicans Richard Nixon and Ronald Reagan.
Verbal Irony: "Free Love"
The term "free love" was effectively sarcastic. Those who pushed free love didn't want sex to be free with whomever a person wanted. Instead, they wanted sex to be a socially acceptable thing people could engage in - whether they were married or not.
Situational Irony: Los Angeles
Los Angeles has long been a more progressive area of the United States, yet many residents erupted in violence when parts of the Voting Rights Act was passed (this was a progressive agenda).
Situational Irony: JFK's Death
Although JFK boasted by far the highest approval ratings of any U.S. President post-World War II, he was unceremoniously assassinated.