Anniversaries Stamp Thematic on WOPA+
Anniversaries
| 40th Anniversary of the Audi Quattro Car |
| Issued: 28.04.2021 |
| ›Antigua and Barbuda |
| 400th Anniversary of the Mayflower Ship Compact and Pilgrims |
| Issued: 28.04.2021 |
| ›Antigua and Barbuda |
| 150th Anniversary of the Metropolitan Musean of Art |
| Issued: 28.04.2021 |
| ›Antigua and Barbuda |
| 100th Birth Anniversary of Pope John Paul |
| Issued: 28.04.2021 |
| ›Antigua and Barbuda |
| 500th Anniv. Of The Death Of Ferdinand Magellan |
| Issued: 27.04.2021 |
| ›Bosnia and Herzegovina - Mostar |
| Centenary of the Faculties of Pharmacy |
| Issued: 26.04.2021 |
| ›Portugal |
| The 1900th Anniv. of the Birth of Marcus Aurelius |
| Issued: 26.04.2021 |
| ›Slovakia |
| The Hungarian Civil Guard Association Is 30 Years Old |
| Issued: 23.04.2021 |
| ›Hungary |
| Her Majesty Queen Elizabeth II - 95th Birthday |
| Issued: 21.04.2021 |
| ›Jersey |
| Her Majesty The Queen`s 95th Birthday |
| Issued: 21.04.2021 |
| ›Guernsey |
| 70th Anniversary of the Sisak City Museum |
| Issued: 21.04.2021 |
| ›Croatia |
| 70th Anniv. of the Birth of Sergey Forenbacher |
| Issued: 21.04.2021 |
| ›Croatia |
| Yuri Nikulin |
| Issued: 17.04.2021 |
| ›Kyrgyzstan KEP |
| 250th Anniv. of the Printing House of Holy Etchmiadzin |
| Issued: 16.04.2021 |
| ›Armenia |
| 100th Anniversary of Birth of Stefan Roman |
| Issued: 16.04.2021 |
| ›Slovakia |
| Theodor Pallady - The 150th Anniv. Of His Birth |
| Issued: 14.04.2021 |
| ›Romania |
| 100th Anniv. of Jarvselja Wooden Souvenir Sheet |
| Issued: 13.04.2021 |
| ›Estonia |
| 100th Anniversary of Lotfi Zadeh |
| Issued: 13.04.2021 |
| ›Azerbaijan |
| Centenary Of The League Of Combatants |
| Issued: 09.04.2021 |
| ›Portugal |
| In Memoriam - His Royal Highness Prince Philip, Duke of Edinburgh |
| Issued: 09.04.2021 |
| ›Gambia |
| Miklos Jancso Was Born 100 Years Ago |
| Issued: 08.04.2021 |
| ›Hungary |
| 400th Anniversary of the Mayflower Ship and Pilgrims |
| Issued: 05.04.2021 |
| ›Marshall Islands |