Medieval
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Second Battle of Lincoln helps secure Henry III’s cause
On 20 May 1217, royalist forces relieved Lincoln Castle and defeated a French-backed rebel army during the First Barons’ War. The battle came two years after Magna Carta, but England was still unsettled. King John had died in 1216, leaving his nine-year-old son, Henry III, as king. That changed the war. The quarrel over John’s…