Anniversaries Stamp Thematic on WOPA+
Anniversaries
| Seara Nova - 100 Years |
| Issued: 15.10.2021 |
| ›Portugal |
| Janis Poruks - 150 |
| Issued: 13.10.2021 |
| ›Latvia |
| 50th Anniv. of the Montenegrin Academy of Sciences and Arts |
| Issued: 12.10.2021 |
| ›Montenegro |
| A Smile For Every Child |
| Issued: 04.10.2021 |
| ›Croatia |
| Lincoln Memorial Dedication 100th |
| Issued: 30.09.2021 |
| ›Antigua and Barbuda |
| 30th Anniv. of the Independence of the Republic of Armenia |
| Issued: 24.09.2021 |
| ›Armenia |
| Centenary of Serbian Water Polo |
| Issued: 23.09.2021 |
| ›Serbia |
| 100th Anniversary of Estonian Civil Aviation |
| Issued: 20.09.2021 |
| ›Estonia |
| 125th Anniversary of the First Film Screening |
| Issued: 16.09.2021 |
| ›Estonia |
| 100th Anniversary of the Albanian Commemorative Medal |
| Issued: 15.09.2021 |
| ›Serbia |
| Janos Pilinszky Born 100 Years Ago |
| Issued: 14.09.2021 |
| ›Hungary |
| 100th Anniv. Of The Foundation Of The National Gallery Of Armenia |
| Issued: 13.09.2021 |
| ›Armenia |
| Remembering September 11, 2001 - 20 Year Anniversary |
| Issued: 11.09.2021 |
| ›Gambia |
| The Biennial of Illustrations - Bratislava |
| Issued: 03.09.2021 |
| ›Slovakia |
| Centenary of the Royal British Legion - Part 3 |
| Issued: 01.09.2021 |
| ›Guernsey |
| Celebrating The Life Of Prince Philip |
| Issued: 01.09.2021 |
| ›Alderney |