1991         

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 Kimbridge | Worcestershire
   England
   1991 June 01
29 m | 95 ft
 Inami | Wakayama
   Japan
   1991 June 02
 unknown | Hyogo Prefecture
   Japan
   1991 June 02
 Upham | Hampshire
   England
   1991 June 05
51 m | 167 ft
 Headbourne Worthy | Hampshire
   England
   1991 June 06
 Cheesefoot Head | Hampshire
   England
   1991 June 07
   Wheat 45 m | 147 ft
 Avebury Trusloe | Wiltshire
   England
   1991 June 09
   Barley 54 m | 177 ft
 Åsgårdstrand | Vestfold
   Norway
   1991 June 09
< 6 m | < 19 ft
  11 rings
 Sapperton | Gloucestershire
   England
   1991 June 10
 unknown
   Scotland
   1991 June 11
 Kingsbridge | Devon
   England
   1991 June 13
 Avebury Trusloe | Wiltshire
   England
   1991 June 14
50 m | 164 ft
 Avebury Trusloe | Wiltshire
   England
   1991 mid June
  addition from June 14
 Chilcomb | Hampshire
   England
   1991 June 16
 Fargo | North Dakota
   United States
   1991 June 16
 Troy | MIchigan
   United States
   1991 June 16
 Wooton-under-Edge | Gloucestershire
   England
   1991 June 17
 Beckhampton | Wiltshire
   England
   1991 June 18
  Stonehenge | Wiltshire
   England
   1991 June 18
   Barley
 Beckhampton | Wiltshire
   England
   1991 June 20
30 m | 98 ft
 Hurstbourne Tarrant | Hampshire
   England
   1991 June 21
 Lockeridge | Wiltshire
   England
   1991 June 21
   Wheat 91 m | 298 ft
 Avebury Trusloe | Wiltshire
   England
   1991 June 22
 Highland | Kansas
   United States
   1991 June 26
  no specification
 Blackland | Wiltshire
   England
   1991 June 28
 Findon | West Sussex
   England
   1991 June 28
   Barley 33 m | 108 ft
 Morgans Hill | Wiltshire
   England
   1991 June 28
 Roundway Devizes | Wiltshire
   England
   1991 June 28
 Lurkeley Hill | Wiltshire
   England
   1991 June 29
   Wheat 46 m | 150 ft
  Newton St Loe | Avon
   England
   1991 June 30
110 m | 360 ft
  Furze Knoll | Wiltshire
   England
  1991 late June
  Litchfield | Hampshire
   England
  1991 late June
   Wheat
  Lockeridge | Wiltshire
   England
  1991 late June
  Addition from June 21
  Lurkeley Hill | Wiltshire
   England
  Addition from June 29
   Wheat
  Landsborough | Queensland
   Australia
  1991 June
  Perth | Western Australia
   Australia
  1991 June
  Morse | Saskatchewan
   Canada
  1991 June
  Bulberry Down | Devon
   England
  1991 June
22 m | 72 ft
  Gwent | South Wales
   Wales
  1991 June