Alfred the Great

Alfred organizes fyrd system - every 5 hides must provide one armed man for militia, thegns serve as mounted warriors

Burghal Hidage established - Alfred assigns hides to maintain fortified burghs, 1 man per 4 feet of wall, revolutionary defense system

Alfred the Great reorganizes shire system - establishes shire reeves (scir-gerefa) as royal officials to oversee justice and tax collection in each shire

Alfred establishes hundred courts - subdivisions of shires with reeves presiding over local justice and collecting royal dues