| County | Date | Reason |
|---|---|---|
| Shropshire Day | 23rd February | feast day of St Milburga |
| Cornwall Day | 5th March | feast day of St Piran |
| County Durham Day | 20th March | feast day of St Cuthbert |
| Cheshire Day | 30th March | charter of liberties granted to Cheshire by Edward I |
| Orkney Day | 16th April | feast day of St Magnus |
| Warwickshire Day | 23rd April | birth day of Shakespeare |
| Huntingdonshire Day | 25th April | birth day of Oliver Cromwell |
| Staffordshire Day | 1st May | founding Josiah Wedgwood & Sons 1759 |
| Surrey Day | Early May | Sat in early May |
| Somerset Day | 11th May | Alfred the Great at Athelney |
| Middlesex Day | 16th May | Battle of Albuerra |
| Kent Day | 26th May | feast day of St Augustine |
| Dorset Day | 1st June | feast day of St Wite |
| Pembrokeshire Day | 1st June | unknown |
| Devon Day | 4th June | feast day of St Petroc |
| Wiltshire Day | 5th June | county flag first flown in 2007 |
| Sussex Day | 16th June | feast day of St Richard |
| Suffolk Day | 21st June | longest day of year |
| Shetland Day | 21st June | county flag recognised |
| Hampshire Day | 15th July | St Swithun’s Day |
| Historic County Flags Day | 23rd July | anniversary Devon Flag registration 2002 |
| Norfolk Day | 27th July | unknown |
| Buckinghamshire Day | 29th July | Stoke Mandeville Games 1948 |
| Yorkshire Day | 1st August | Battle of Minden 1759 |
| Northumberland Day | 5th August | feast day of St Oswald |
| Nottingahmshire Day | 25th August | royal standard at Nottingham Castle 1642 |
| Rutland Day | 13th September | Grand Assault of Gibraltar Day |
| Gloucestershire Day | 21st September | unknown |
| Derbyshire Day | 22nd September | county flag first flown |
| Cumberland Day | 24th September | baptism of John Peel |
| Monmouthshire Day | 25th September | feast day of St Cadoc |
| Westmorland Day | 29th September | Creation of title “Earl of Westmorland” |
| Lincolnshire Day | 1st October | Lincolnshire Uprising |
| Oxfordshire Day | 19th October | feast Day of St Frideswide< |
| Northamptonshire Day | 25th October | feast day of St Crispin |
| Essex Day | 26th October | feast day of St Cedd |
| Lancashire Day | 27th November | first Lancastrians sent to Parliament 1295 |
| Bedfordshire Day | 28th November | birth day of John Bunyan |
| Caernarfonshire Day | 28th November | death of Owain Gwynedd |
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