Anniversaries Stamp Thematic on WOPA+
Anniversaries
| 1700 Years since the First Ecumenical Council of Nicaea |
| Issued: 18.09.2025 |
| ›Serbia |
| 25 Years Of The Kemence Forest Museum Railway |
| Issued: 17.09.2025 |
| ›Hungary |
| A Celebration of Gibraltar's Philately |
| Issued: 16.09.2025 |
| ›Gibraltar |
| 75th Anniversary of the Reggini Dealership |
| Issued: 16.09.2025 |
| ›San Marino |
| 25th Anniversary of Aviation and Military Museum |
| Issued: 15.09.2025 |
| ›Isle of Man |
| 250 Year Anniversary of the Gloriette |
| Issued: 10.09.2025 |
| ›Austria |
| 80 Years Of The United Nations |
| Issued: 09.09.2025 |
| ›Monaco |
| 60th Festival Of Kajkavian Songs Krapina (C) |
| Issued: 08.09.2025 |
| ›Croatia |
| Tusass 100 Years |
| Issued: 06.09.2025 |
| ›Greenland |
| Ittoqqortoormiit 100 Years |
| Issued: 06.09.2025 |
| ›Greenland |
| Prominent Armenians - 100th Anniversary of Aghasi Ayvazyan |
| Issued: 05.09.2025 |
| ›Armenia |
| 100 Years Jean Tinguely |
| Issued: 04.09.2025 |
| ›Switzerland |
| Centenary of the Locarno Pact (1925–2025) |
| Issued: 04.09.2025 |
| ›Switzerland |
| 75th Miners Day - Tatabanya |
| Issued: 04.09.2025 |
| ›Hungary |
| Prominent Armenians - 100th Anniversary of Alexander Adjemian |
| Issued: 02.09.2025 |
| ›Armenia |
| 950 Years Of Szolnok |
| Issued: 01.09.2025 |
| ›Hungary |
| Guyana D.R. 55th Anniversary |
| Issued: 01.09.2025 |
| ›Guyana |
| 80th Liberation |
| Issued: 27.08.2025 |
| ›Sark |
| Interhelpo - Czechoslovak Industrial Cooperative, 100 Years |
| Issued: 24.08.2025 |
| ›Kyrgyzstan KEP |
| 500th Anniversary of the Miners Uprising 1525-1526 |
| Issued: 22.08.2025 |
| ›Slovakia |
| Bakhtiyar Vahabzadeh 100 Years |
| Issued: 20.08.2025 |
| ›Azerbaijan |
| The 100th Anniversary of the Construction of the ANBO Aircraft |
| Issued: 11.08.2025 |
| ›Lithuania |
| 30th Anniversary Of Military And Police Operations Flash And Storm (C) |
| Issued: 01.08.2025 |
| ›Croatia |