盖罗一世 (德语:Gero I ,约900年-965年5月20日),有时被称为盖罗大帝 (拉丁语 :magnus ),是一位德意志人贵族,他统治着最初以梅瑟堡 为中心的边疆区 ,该边疆区 位于现在的德国萨克森-安哈尔特州 南部,他将其扩展到以他命名的广阔领土:盖罗边疆区 。在10世纪中叶,他是撒克森人的领袖。他大大推动了德国人东向殖民运动 的进展。
14世纪对盖罗的描绘
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