Day of rocket-artillery troops of Armenia
Day of rocket-artillery troops of Armenia is held on October 19. This event in the second decade of the month october is annual.
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);
Navy Day in United States on October 27 (unofficial, official date is October 13);