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Dewey Defeats Truman: How a False Headline Became Political History
A printing strike, stale polling, and a newsroom’s premature confidence produced the most famous election-paper error in America.
Harry Truman’s 1948 victory embarrassed the Chicago Daily Tribune and confounded the nation’s leading pollsters. The photograph of Truman holding the paper’s false headline endures as a warning about political certainty.
On November 4, 1948, Harry S. Truman stood on the rear platform of the presidential railcar *Ferdinand Magellan* at St. Louis Union Station and held up a newspaper for the cameras. Across its front page ran a declaration that had already been overtaken by events: “Dewey Defeats Truman.” [1][3]
Truman had won the presidency. New York Gov. Thomas E. Dewey, the Republican nominee, conceded the previous day. The Electoral College count was 303 votes for Truman and 189 for Dewey. Photographers recorded the moment at the station. [3][4]
The photograph turned a newspaper error into a lasting political image. It captured a false prediction, but also a wider failure of polling, press judgment, and professional confidence in the 1948 campaign.
The Edition That Reached Print Too Soon
The Chicago Daily Tribune printed about 150,000 copies of an early edition dated November 3 carrying the “Dewey Defeats Truman” headline. [5] The paper made its call while returns were incomplete and early results from parts of the East appeared favorable to Dewey.
As the returns developed, Truman’s strength in the Midwest became clear. Later Tribune editions replaced the presidential banner with “Democrats Make Sweep of State Offices.” But the first edition had already gone out—and one copy eventually reached Truman. [5]
The famous photograph was not taken on election night. Truman displayed the paper on November 4 while returning toward Washington, during a stop in St. Louis. The election had been decided; the newspaper had not merely guessed early. It had printed the wrong winner. [1][3]
A Strike and an Early Deadline
The Tribune’s error was not simply a matter of partisan preference. A printers’ strike had disrupted the usual newspaper-production process and forced an earlier deadline, according to the Library of Congress. [6]
That left editors with less time to wait for returns. The technical limits did not dictate the false headline, but they made it harder to reverse a premature decision.
Managing editor J. Loy “Pat” Maloney relied heavily on Arthur Sears Henning, the Tribune’s Washington bureau chief, who expected Dewey to win comfortably. With an accelerated deadline and incomplete returns, that assessment became a front-page certainty. [5]
Pollsters Had Also Misread the Race
The Tribune was far from alone in predicting Truman’s defeat. Gallup, Roper, and Crossley, three of the country’s leading polling organizations, also forecast a Dewey victory. Their collective failure exposed weaknesses beyond a single newspaper’s judgment. [2]
Polling ended before Election Day, leaving late changes in voter support inadequately captured. Gallup’s own retrospective identifies the early cutoff as an important part of the failure. [8]
Polling methods contributed to the problem. Quota sampling attempted to match a sample to the population through demographic categories, but it depended substantially on interviewers’ selections. After the election, the failure intensified an existing dispute between advocates of probability sampling and users of quota methods. Historian Dominic Lusinchi argues that the SSRC inquiry also sought to protect the standing of social science, rather than simply settle this methodological dispute. [2]
The Social Science Research Council organized a post-election inquiry into what had gone wrong. It did not provide an instant solution to polling mistakes, but it made clear that a poll was a measurement of public opinion at a particular time—not a final verdict on Election Day. [2]
Truman Kept Campaigning
Truman behaved as though the race remained open. After accepting the Democratic nomination in Philadelphia in July, he attacked the Republican-controlled 80th Congress and carried that argument across the country aboard the *Ferdinand Magellan*.
Truman carried his campaign across the country by train, speaking directly to crowds at station stops. Campaign aide William J. Bray’s recollections describe how the tour continued despite newspapers and radio commentators predicting a Dewey victory. [7]
The campaign did not erase the Democratic Party’s internal divisions, and the result did not show that polls were worthless. It did show the danger of treating an earlier reading of the electorate as permanent. Truman’s 303 electoral votes made the lesson impossible to ignore. [4]
Why the Photograph Endures
The Tribune’s headline might have become a minor footnote without the photograph from St. Louis. Instead, Truman’s gesture gave the mistake a permanent visual form: a president holding the evidence of a confident prediction that had failed.
The tools of election coverage have changed since 1948. Newsrooms no longer depend on hot-metal type and photoengraved plates to produce an edition. The central pressure, however, remains recognizable. Editors, pollsters, and audiences still have to decide when the available evidence is enough to call a race.
The lesson in the photograph is not that expertise has no value. It is that expertise can become dangerous when it mistakes confidence for proof.
Frequently Asked Questions
When was the “Dewey Defeats Truman” newspaper printed?
The headline appeared in an early edition dated November 3, 1948, prepared during election-night coverage. Tribune Publishing records a print run of about 150,000 copies. [1][5]
Why did the Chicago Daily Tribune make the mistake?
The paper faced earlier production deadlines during a linotype operators’ strike, while editors also placed faith in polls and political reporting that favored Dewey. Those conditions encouraged a call before enough returns were available. [5][6]
Where was the famous photograph of Truman holding the paper taken?
It was taken at St. Louis Union Station on November 4, 1948, as Truman traveled aboard the *Ferdinand Magellan*. [1][3]
How many electoral votes did Harry Truman win in 1948?
Truman won 303 electoral votes. Dewey received 189. [4]
TIMELINE
Key moments
Sources
- Dewey Defeats Truman Newspaper Front Page — Harry S. Truman Library & Museum
- The Great Fiasco of the 1948 Presidential Election Polls: Status Recognition and Norms Conflict in Social Science — Annals of Science / National Institutes of Health
- President Harry S. Truman Holds the "Dewey Defeats Truman" Newspaper — Harry S. Truman Library & Museum
- 1948 Electoral College Results — National Archives
- Dewey Defeats Truman 11/3/1948 Page Print — historical description — Tribune Publishing
- Stop the Presses! — Library of Congress
- Recollections of the 1948 Campaign by William J. Bray — Harry S. Truman Library & Museum
- George Gallup, Twentieth-Century Pioneer — Gallup
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