Lincolnshire Day is held on October 1. United Kingdom. This event in the first decade of the month october is annual.
The Archangels Michael, Gabriel, and Raphael Day for England and Ireland on September 29 (this is christian feast day and one of the four quarter days in the Irish calendar);
Grandparents Day in United Kingdom on October 4 (First Sunday in October);
Libraries Week in UK on October 5 (Libraries Week 2020 will take place between the 5th and 10th October, celebrating the nation's much-loved libraries and their vital role in the UK's book culture);
Memorial Day for the loss of a child during pregnancy or a newborn on October 15 (noted in Ohio, USA, Canada, France, Britain and Italy);
Trafalgar Day in Great Britain on October 21 (celebration of the victory won by the Royal Navy, commanded by Vice-Admiral Horatio Nelson, over the combined French and Spanish fleets at the Battle of Trafalgar on 21 October 1805);
Apple Day on October 21 (United Kingdom)