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On Sept. 1, 1939, Nazi Germany invaded Poland. At the time, Americans favored supporting the Poles, up to a point.
Americans mostly supported statehood for Hawaii in the decades leading up to its admission into the union.
As AIDS spread in the 1980s, Gallup found some Americans expressing judgmental views about those who had contracted the disease.
Seventy-five years ago, Americans had surprising views on why the U.S. was fighting in World War II, the length of the war and postwar relations.
January marks 42 years from a record cold snap that brought unprecedented snow to Miami and created hardships for one in three Americans.
Martin Luther King Jr. advocated nonviolent tactics to advance civil rights. But in the early 1960s, Americans viewed these tactics differently.
Nearly nine in 10 Americans watched the 1991 nationally televised hearings of Anita Hill and Clarence Thomas; six in 10 said they were bad for the country.
Gallup included "socialist" as a standard option for party ID in early polling. Midcentury surveys showed Americans saying U.S. socialism was growing.
In 1886, the U.S. government imposed a tax on butter's competitor, margarine, to support the dairy industry. By 1948, 69% favored repealing this tax.
A majority of Americans in 1962 backed a U.S. woman's decision to have an abortion in Sweden after she took a drug known to cause birth defects.
Before his assassination, RFK was popular and faring well in polls, but he was not a shoo-in for the Democratic nomination or the presidency.
Before he was killed, Martin Luther King Jr. declared the nation "sick," tying this to racism and violence. Nevertheless, 58% of Americans disagreed.
In 1981, Americans rated faithfulness as the top feature of a successful marriage. Political agreement and having the same social background ranked last.
In November 1936, a month before King Edward VIII of England abdicated to marry an American divorcee, a majority of Americans favored the union.
Congress has never made lynching a federal crime, but Americans have long supported the passage of such a bill.
Americans were split on how the House Un-American Activities Committee handled its hearings, but leaned toward punishing those who didn't cooperate.
Thirty years ago, Gallup found fewer than one in two Americans (38%) favored the death penalty for persons convicted of dealing drugs but not of murder.
U.S. college students, especially those in the East, outpaced the general public in opposing Richard Nixon's policies on the Vietnam War.
Following the 1968 Kerner Commission report on racial tension, Gallup found whites and blacks agreeing on some conclusions and disagreeing on others.