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— From the Greater Oneonta Historical Society Museum,

The Dietz Massacre was painted by Jacob Dietz, the younger brother of Captain William Dietz, who is shown, at front left, being taken captive by Indians during the Revolutionary War. The massacre took place in Berne on Sept. 1, 1781. The marauders were led by a British soldier, targeting Deitz because he was a local militia captain in strong support of the Revolution, according to Harold Miller who has written two books on the German heritage of Berne and Knox. In 1927, the Tawasentha Chapter of the Daughters of the American Revolution erected a marker at the massacre site.