**BERNOLDO of Constance.** – Chronicler, born around the middle of the 11th century in the diocese of Constance, died on 16 September 1100 at Schaffhausen. He studied under the guidance of Bernardo of Constance and was a Benedictine monk of St. Blasien. In 1079 he participated in the Roman Council and, upon returning to Germany, became one of the most convinced supporters of Gregory VII. In 1084 he was ordained a priest in Constance and, in 1091, moved to the monastery of S. Salvatore in Schaffhausen. He wrote numerous polemical treatises; compiled a *Catalogus Romanorum Pontificum*; he was also attributed with the *Micrologus* (q.v.). His fundamental work is the *Chronicon*, begun in 1072 or 1073, which spans from the birth of Christ to 3 August 1100. For the compilation of this work, B. relied, up to 1073, on the chronicles of Bede, Hermannus Contractus, and Berthold of Reichenau; from 1073 to 1100 he reconstructed, with great accuracy and critical spirit, events to which he himself had been witness. Although not without errors, Bernoldo’s chronicle can be considered the most important source for the history of the Church in the 11th century.
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