• Thumbnail for Peine
    before. The 1201 Hildesheim Chronicle describes a feud between the bishop Hartbert von Hildesheim and the brothers Ekbert and Gunzelin von Wolfenbüttel....
    7 KB (624 words) - 16:53, 8 October 2023
  • Thumbnail for Rethen
    been granted estates in Rethen and the church patronage by Bishop Hartbert of Hildesheim in 1199. However, no documentary evidence of this is known. In the...
    25 KB (3,174 words) - 03:38, 25 April 2024
  • September 16 – Sibylla of Burgundy, queen of Sicily (b. 1126) November 12 – Hartbert van Bierum, bishop of Utrecht November 21 – García IV (the Restorer), king...
    399 bytes (9,377 words) - 20:22, 22 June 2022