Activity score — 1991 to 2026
1991
1996
2001
2006
2011
2016
2021
2026
Founding Era
Accession Era
Dormancy Era
Crimea Response
Limbo Era
Ukraine Revival
Renaissance
Key milestones
1991
Founded in Weimar; 10-point declaration on European integration
1992
Poland wins WEU associate status at Bergerac meeting
1997
Poland invited to join NATO at Madrid summit (Weimar diplomacy credited)
1999
Poland joins NATO — primary founding mission delivered
2003
Iraq war: Poland sides with US ('New Europe'); first major trilateral fracture
2004
Poland joins EU — second founding mission complete; format loses raison d'être
2011
Weimar Battlegroup signed; HoG summit urges Russia engagement (in hindsight: naïve)
2014
Kyiv FM mediation during Maidan; Crimea annexation — temporary format revival
2015
PiS wins Polish election — rule-of-law crisis begins, Triangle cools sharply
2016
Polish FM publicly declares format 'irrelevant' (April); Aug. reinvigoration pledge
2022
Full-scale Russian invasion (Feb 24) — format reactivated within 5 days of outbreak
2023
Tusk wins Polish election — single most transformative event for Triangle cohesion since 2004
2024
Two HoG summits in 5 weeks; long-range artillery coalition announced
2025
Weimar+ format launched in response to Trump-Putin call; Chișinău summit peak activity
2026
Environment ministers meet for first time in 12 years (Gniezno, March)
All meetings — chronological
| Date | Type | Location | Topic | Ministers |
|---|---|---|---|---|
| 2026-03-09 | Sectoral | Gniezno, Poland | ETS-2; electrification; first env. ministers trilateral in 12 years | (Environment ministers) |
| 2025-08-28 | Summit | Chișinău, Moldova | Ukraine EU accession; Moldova solidarity; Merz first summit | Merz (DE), Macron (FR), Tusk (PL) |
| 2025-08-06 | FM+ | Warsaw (Weimar+) | Nawrocki inauguration; ReArm Europe; trilateral communiqué | Wadephul (DE), Barrot (FR), Sikorski (PL) + UK/IT/ES |
| 2025-06-12 | FM+ | Rome (Weimar+) | Ukraine sanctions; NATO SG Rutte and Kallas present | Wadephul (DE), Barrot (FR), Sikorski (PL) + NATO/EU |
| 2025-05-12 | FM+ | Lancaster House, London | Ukraine / Euro-Atlantic security | Wadephul (DE), Barrot (FR), Sikorski (PL) + UK/IT/ES |
| 2025-03-31 | FM+ | Madrid (Weimar+) | European security architecture; ReArm Europe | Wadephul (DE), Barrot (FR), Sikorski (PL) + UK/IT/ES |
| 2025-02-12 | FM | Paris, France | Trump-Putin call; Ukraine excluded from negotiations; emergency response | Wadephul (DE), Barrot (FR), Sikorski (PL) |
| 2024-12-31 | Statement | Joint statement | Georgia constitutional crisis; violence against protesters | |
| 2024-11-07 | Statement | Joint statement | Georgia 2024 election irregularities; democratic backsliding warning | |
| 2024-03-15 | Summit | Berlin, Germany | Long-range artillery coalition for Ukraine announced | Scholz (DE), Macron (FR), Tusk (PL) |
| 2024-02-12 | Summit | Berlin, Germany | Avdiivka fall; European Sky Shield; Trump-NATO comments | Scholz (DE), Macron (FR), Tusk (PL) |
| 2024-02-12 | FM | La Celle-Saint-Cloud | 'Weimar of citizens/youth/culture'; Ukraine coordination | Baerbock (DE), Séjourné (FR), Sikorski (PL) |
| 2023-06-27 | Finance | Weimar, Germany | Capital markets union; Ukraine reconstruction finance (first Finance mtg since 2017) | Lindner (DE), Le Maire (FR), Rzeczkowska (PL) |
| 2023-06-12 | Summit | Paris, France | Ukraine aid; NATO membership path; arms supply; 'unwavering support' | Scholz (DE), Macron (FR), Duda (PL) |
| 2022-03-01 | FM | Łódź, Poland | Days after invasion: refugee crisis; military aid; SWIFT sanctions | Baerbock (DE), Le Drian (FR), Rau (PL) |
| 2022-02-08 | Summit | Berlin, Germany | Pre-invasion: Ukraine sovereignty; NATO unity; first HoG trilateral in years | Scholz (DE), Macron (FR), Duda (PL) |
| 2021-08-01 | FM | Paris, France | Afghanistan collapse; EU strategic autonomy post-US withdrawal | Maas (DE), Le Drian (FR), Rau (PL) |
| 2017-06-01 | Finance | Berlin, Germany | Capital markets union; fiscal rules (first Finance FM mtg since unknown) | Gabriel (DE), Le Drian (FR), Waszczykowski (PL) |
| 2016-08-28 | FM | Weimar (25th anniversary) | Post-Brexit; migration; 'reinvigoration' pledge by all three FMs | Steinmeier (DE), Ayrault (FR), Waszczykowski (PL) |
| 2015-08-01 | FM | Weimar, Germany | Minsk II implementation; migration crisis; refugee flows | Steinmeier (DE), Fabius (FR), Schetyna (PL) |
| 2014-03-01 | Parl. | Kyiv | First-ever joint parliamentary visit to third country; Crimea/territorial integrity | Röttgen (DE), Guigou (FR), Schetyna (PL) |
| 2014-02-20 | FM | Kyiv (emergency) | Yanukovych–Maidan mediation; brokered Feb 21 agreement (collapsed same day) | Steinmeier (DE), Fabius (FR), Sikorski (PL) |
| 2012-10-01 | FM | Warsaw, Poland | Deeper EU integration; Fiscal Compact | Link (DE), Repentin (FR), Serafin (PL) |
| 2012-03-16 | FM | Antibes, France | Syria; eurozone crisis | Link (DE), Leonetti (FR), Dowgielewicz (PL) |
| 2011-09-22 | FM | Berlin, Germany | EU enlargement; Libya aftermath | Hoyer (DE), Leonetti (FR), Dowgielewicz (PL) |
| 2011-07-05 | Defence | Brussels | Weimar Battlegroup: 1,700 soldiers under Polish command signed | Westerwelle (DE), Juppé (FR), Sikorski (PL) |
| 2011-02-07 | Summit | Warsaw, Poland | Eurozone crisis; Russia relations; Pact for Competitiveness | Merkel (DE), Sarkozy (FR), Komorowski (PL) |
| 2010-02-01 | FM | Warsaw, Poland | Polish EU Council Presidency 2011 preparation | Hoyer (DE), Jouyet (FR), Dowgielewicz (PL) |
| 2008-11-07 | FM | Paris, France | Georgia war aftermath; Eastern Partnership initiative | Bury (DE), Lellouche (FR), Dowgielewicz (PL) |
| 2006-08-28 | FM | Weimar (15th anniversary) | Anniversary; EU reform Treaty | Steinmeier (DE), Douste-Blazy (FR), Fotyga (PL) |
| 2004-10-22 | FM | Warsaw, Poland | Post-accession agenda; Constitutional Treaty ratification | Fischer (DE), Haigneré (FR), Pietras (PL) |
| 2003-05-26 | FM | Warsaw, Poland | Pre-accession final coordination | Fischer (DE), de Villepin (FR), Cimoszewicz (PL) |
| 2003-05-09 | Summit | Wrocław, Poland | Post-Iraq split repair; Constitutional Treaty; Poland days before EU accession vote | Schröder (DE), Chirac (FR), Kwaśniewski (PL) |
| 2002-06-28 | FM | Warsaw, Poland | Iraq tensions emerging; Copenhagen criteria | Fischer (DE), Védrine (FR), Cimoszewicz (PL) |
| 2001-09-06 | FM | Weimar, Germany | Accession timeline; constitutional convention | Fischer (DE), Védrine (FR), Cimoszewicz (PL) |
| 2001-03-16 | FM | Paris, France | Laeken agenda; CFSP development | Fischer (DE), Védrine (FR), Cimoszewicz (PL) |
| 2000-06-07 | FM | Kraków, Poland | Nice Treaty; enlargement timeline | Fischer (DE), Védrine (FR), Bartoszewski (PL) |
| 1999-08-30 | FM | Weimar, Germany | EU accession negotiations; Agenda 2000 | Fischer (DE), Védrine (FR), Geremek (PL) |
| 1999-01-06 | FM | Paris, France | Post-NATO accession agenda; Kosovo crisis | Fischer (DE), Védrine (FR), Geremek (PL) |
| 1997-11-19 | FM | Frankfurt/Oder, Germany | Luxembourg European Council prep; enlargement criteria | Kinkel (DE), Védrine (FR), Rosati (PL) |
| 1996-12-19 | FM | Warsaw, Poland | NATO Study on Enlargement; IGC 1996 preparation | Kinkel (DE), de Charette (FR), Rosati (PL) |
| 1995-10-26 | FM | Paris, France | Partnership for Peace; Balkan crisis; Schengen | Kinkel (DE), de Charette (FR), Bartoszewski (PL) |
| 1994-09-14 | FM | Bamberg, Germany | NATO enlargement framework; Partnership for Peace | Kinkel (DE), Juppé (FR), Olechowski (PL) |
| 1993-11-11 | FM | Warsaw, Poland | NATO candidacy; EU accession framework; Czech/Slovak aftermath | Kinkel (DE), Juppé (FR), Olechowski (PL) |
| 1992-04-23 | FM | Bergerac, France | WEU associate status for Poland secured | Genscher (DE), Dumas (FR), Skubiszewski (PL) |
| 1991-08-28 | FM | Weimar, Germany | Founding declaration; 10-point joint communiqué on European integration | Genscher (DE), Dumas (FR), Skubiszewski (PL) |