Period,Desc,From,To,Notes
"BA","Bronze Age",-2500,-701,
"EBA","Early Bronze Age",-2500,-1501,
"EM","Early Medieval/Dark Age",410,1065,"410 - 1066"
"EME","Early Mesolithic",-10000,-7001,
"ENE","Early Neolithic",-4000,-3001,
"EPR","Early Prehistoric",-500000,-4001,"Palaeolithic - Mesolithic"
"IA","Iron Age",-800,42,
"IAE","Early Iron Age",-800,-401,
"LAT","Late Prehistoric",-4000,42,"Neolithic - Iron Age"
"LBA","Late Bronze Age",-1000,-701,
"LIA","Late Iron Age",-100,42,
"LME","Late Mesolithic",-7000,-4001,
"LNE","Late Neolithic",-3000,-2201,
"LPA","Lower Palaeolithic",-500000,-150001,
"MBA","Middle Bronze Age",-1600,-1001,
"MD","Medieval",1066,1539,"1066 - 1540"
"ME","Mesolithic",-10000,-4001,
"MIA","Middle Iron Age",-400,-101,
"MNE","Middle Neolithic",-3500,-2701,
"MO","Modern",1901,2050,"1901 - present"
"MPA","Middle Palaeolithic",-150000,-40001,
"NE","Neolithic",-4000,-2201,
"PA","Palaeolithic",-500000,-10001,
"PM","Post Medieval",1540,1900,"1540 - 1901"
"PR","Prehistoric",-500000,42,
"PRO","Post Roman",410,1900,
"RO","Roman",43,409,"43 - 410"
"SA","Saxon",410,1065,
"UN","Unknown",,,
"UPA","Upper Palaeolithic",-40000,-10001,