West Riding Day marks the anniversary of the battle of Towton (1461), reputedly the largest and bloodiest battle ever fought on English soil.
The Yorkist forces defeated the Lancastians, leading to a change of royal dynasty.
Edward Duke of York deposed King Henry VI (ruled 1422–61, 1470–1) and took the crown as King Edward IV (ruled 1461–1470, 1471–83).
The first Cheshire Day took place in 2021.
It commemorates the date when King Edward I, who was also Earl of Chester, reconfirmed a charter of liberties for the county.
St Magnus, then Magnus Erlendsson, was Earl of Orkney (1106–c.1117).
He was sanctified in 1136.
St George’s Day is England’s national day – St George was named as England’s principal patron saint in 1416.
St George’s Day is listed as a flag flying day (for England only) by UK government guidance.
https://www.gov.uk/guidance/designated-days-for-union-flag-flying
The Union Flag is specified.
Oliver Cromwell (1599–1658) was an English statesman, politician and soldier.
He was MP for his native Huntingdon (1628-9).
Staffordshire Day commemorates the foundation date of Josiah Wedgwood and Sons (1759).
The date was selected by public vote from a list that includes: 5 July – discovery of the Staffordshire Hoard (2009); 6 September – the future King Charles II hid in an oak tree in South Staffordshire (1651); 18 September – Doctor Samuel Johnson born in Lichfield (1709); 27 September – James Brindley, renowned engineer and resident of Leek, died (1772)
Europe Day is celebrated annually on 5 May and 9 May.
The Council of Europe designates 5 May, the anniversary of the Council’s founding.
https://www.coe.int/en/web/portal/5-may-europe-day
The European Union designates 9 May, the anniversary of the Schuman Declaration (1950).
https://european-union.europa.eu/principles-countries-history/symbols/europe-day_en
Neither date is listed as a flag flying day by UK government guidance, although the UK remains a member of the Council of Europe.
https://www.gov.uk/guidance/designated-days-for-union-flag-flying
Europe Day is listed on 9 May as a flag flying day by Scottish government guidance.
The European Flag is specified.
https://www.gov.scot/publications/flag-flying-on-government-buildings/
Guernsey celebrates Liberation Day (Lé Jour dé la Libératiaon in Guernsey French) annually on 9 May.
The date commemorates the island’s liberation in 1945 from German occupation during the Second World War.
Jersey celebrates Liberation Day (Jour d’la Libéthâtion in Jersey French) annually on 9 May.
The date commemorates the island’s liberation in 1945 from German occupation during the Second World War.
Sark celebrates Liberation Day annually on 10 May.
The date commemorates the island’s liberation in 1945 from German occupation during the Second World War.