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/
Somerset Day was selected by public vote from a shortlist that includes: 19 May – Feast of St Dunstan; 6 July – Battle of Sedgemoor.
The battle of Albuera (1811) took place during the Peninsular War, when Anglo-Portuguese forces defeated the French.
The 57th (West Middlesex) Foot suffered very heavy casualties during the battle and later celebrated the anniversary as a regimental day.
St Aldhelm (639–709) was Abbot of Malmesbury and Bishop of Sherborne.
St Augustine of Canterbury (d.604) became the first Archbishop of Canterbury in 597.
The Church of England considers him to be one of its founding fathers.
Northumberland Day takes place annually on the last Sunday in May.