Alderney - 80th Anniversary of the Battle of Britain (21st July 2020)

Australia - Anzac Day 2020 (14th April 2020)

Addl info here.

Australia - Civil Aviation : 100 years (30th April 2020)

Addl info here.

Australian Antarctic Territory - Wyatt Earp Expedition (31st March 2020)

Addl info here.

Azerbaijan - One nation, two states. Victory Parade (10th December 2020)

Belarus - 125th birth anniv of Pavel Sukhoi ms (22nd July 2020)

China - Union Is Strength in Fighting Against COVID-19 (11th May 2020)

Addl info here.

Croatia - 25th anniv of military & police operations Lightning and Storm (3rd August 2020)

Cuba - 100th anniv of the first commercial flight in Cuba

Czech Republic - Aero Albatros aircraft (9th September 2020)

France - French Heritage 2020 - Mystere IV s/s (21st September 2020)

Addl info here.

French Antarctic Territory - Twin Otter Block at Concordia s/s (1st February 2020)

Addl info here (in French).

Gibraltar - 75th anniv of VE Day (25th March 2020)

Addl info here.

India - Covid-19 warriors (24th December 2020)

Indonesia - 100th anniv of Gedung Sate (19th August 2020)

Addl info here.

Moldova - Europa 2020. Ancient postal routes (17th August 2020)

Myanmar - Armed Forces Day (27th March 2020)

Addl info here.

Netherlands - 75th anniversary of the Liberation of the Netherlands (24-carat gold) (5th May 2020)

Addl info here.

New Caledonia - Aircraft of today and yesteryear - Aircalin A330neo "Kanumera" (17th July 2020)

Addl info here.

New Zealand - WWII 75 years (1st April 2020)

Addl info here.

Portugal - 75 years of TAP (28th May 2020)

Addl info here.

Portugal - 100 years of aeronautics at Granja do Marques (12th October 2020)

Addl info here (in Portuguese).

Romania - Aeromfila 2020 (23rd April 2020)

Addl info here.

Russia - 100th birth anniv of Ivan Nikitovich Kozhedub (10th March 2020)

Addl info here.

Russia - 125th birth anniv of P O Sukhoi (22nd July 2020)

Addl info here.

Spain - Health. 2020 International Year of Nurses and Midwives (5th June 2020)

Spain - Ephemeris. 100 years of the first Spanish airmail (30th June 2020)

Addl info here.

Switzerland - 100 years of Geneva airport (7th May 2020)

Addl info here.

Tanzania - 40th anniv of Pan African Postal Union s/s (18th January 2020)

Addl info here.

Uruguay - 100 years of Angel S. Adami Airport s/s (12th July 2020)

Zimbabwe - Centenary of Aviation in Zimbabwe