Navy Birthday in USA

Día de la Hispanidad or Fiesta Nacional de España, also Armed Forces Day in Spain on October 12;

Day of creation of the Ukrainian rebel army on October 14;

Bulgaria Air Force Day on October 16;

Day of rocket-artillery troops of Armenia on October 19;

Armed Forces Day in Honduras on October 21;

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);

Armed Forces Day in Romania on October 25;