A Black sporting victory triggered immediate racist backlash in violence and print media

Evidence

“If the black man wins, thousands and thousands of his ignorant brothers will misinterpret his victory as justifying claims to much more than mere physical equality with their white neighborhoods,” predicted a writer in the New York Times months before the biggest sporting event in American history on July 4, 1910. It was the first to be reported live through wireless telegraphy. The former heavyweight champion, the mammoth Jim Jeffries, dubbed the “Great White Hope,” came out of retirement to seek the heavyweight title for the White race and win it back from the nation’s most hated and beloved man, Jack Johnson. The match was held in Reno, Nevada, before 12,000 raging White spectators. Johnson knocked Jeffries out in the fifteenth round, sending a surge of excitement through Black America and a surge of fury through racist America. Racist mobs tried to beat Black bodies back down, and racist writers tried to beat Black minds back down. “Do not swell your chest too much,” warned the Los Angeles Times. “No man will think a bit higher of you because your complexion is the same as that of the victor at Reno.” Later, in Knuckles and Gloves (1922), London boxing aficionado John Gilbert explained that White men were “at a disadvantage” in boxing because of their “physical inequality.” The US government soon accomplished what White boxers failed to do: knocking out Jack Johnson, though only in a metaphorical sense. He was arrested on trumped-up charges of transporting a prostitute (or rather a White woman) across state lines. — Ibram X. Kendi, Stamped from the Beginning, 786

Categorization

• XREF: Directly instantiates Kendi’s core thesis: the racist policy/backlash (Johnson’s conviction, mob violence, derision in print) precedes and drives the racist idea (that White men have inherent physical superiority). Matches the reader’s stated goal of testing the causal inversion.
• SEED: Angle: ‘The Great White Hope’ pattern — how a single Black success in a visible arena triggers a coordinated ideological-mobilization response (media, polity, mob). Comparable to modern reactions to Black excellence in sports/leadership.