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In page May Picqueray:

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In 1921, two anarchists of Italian origin, Nicola Sacco and Bartolomeo Vanzetti, were condemned to death by the American justice system, while shouting their innocence. Despite the mobilization of the left-wing circles, the French press remained silent. To trigger the press campaign, May Picqueray sent a parcel bomb containing a defensive grenade and leaflets to the American embassy. This "initiative" succeeded in mobilizing the journalists, without causing any damage other than material. Despite the magnitude of the worldwide demonstrations in their favor, Sacco and Vanzetti were executed in 1927 - and rehabilitated in 1978.[citation needed]