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21st–25th April | Mapathon for Kinshasa City | Pende, Kinshasa, Democratic Republic of the Congo | 24th April | [Online] OpenStreetMap Foundation board of Directors - public videomeeting | 24th April | Mapatón Humanitario Universidad de Zaragoza | Zaragoza, Aragon, Spain | 24th April | Atelier - mapathon: évaluation post-cyclonique des dommages aux bâtiments | 25th April | UN Mappers Mappy Hour | 25th April | SOSM Annual General Assembly | Bergdietikon, Aargau, Switzerland | 26th April | OSMF Affiliation Focus Group Discussion: Thematic and non-geographical groups | 27th April | 雲林六房天上聖母土庫、虎尾維基街景資料工作坊 | Dounan Township, Taiwan | 27th April | OSM Bengaluru Mapping Party | Karnataka, India | 28th April | Rencontre Saint-Étienne et sud Loire | Saint-Étienne, Auvergne-Rhône-Alpes, France | 29th April | Wheelmapevent Stadt Korbach + Landkreis Waldeck-Frankenberg | Korbach, Hesse, Germany | 29th April | South Bay Map Night | San Jose, California, United States | 29th April | OSM Radinfra-Mapathon #1 | Vogtei, Thuringia, Germany | 30th April | Rostocker Treffen | Rostock, Mecklenburg-Vorpommern, Germany | 30th April | 74. Wiener OSM-Stammtisch | Vienna, Austria | 30th April | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany | 1st May | MA1PPING 2025 | Ludwigsburg, Baden-Württemberg, Germany | 2nd May | OSMF Engineering Working Group meeting | 3rd May | Social Mapping Saturday: Mount Hawthorn | Western Australia, Australia | 4th May | 16th OSM Delhi Mapping Party (Online) | Delhi, India | 6th May | OSM Treffen Salzburg | Salzburg, Salzburg, Austria | 6th May | Missing Maps mapathon Žilina #17 | Žilina, Region of Žilina, Slovakia | 6th May | Květnový brněnský Missing Maps Mapathon na Geografickém ústavu | Brno, Czechia | 6th May | Missing Maps London: (Online) Mapathon [eng] | 7th May | iD Community Chat | 7th May | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany | 8th May | OSM Pils #1v1.1 2025 | Oslo, Norway | 8th May | Bochumer OSM-Treffen | Bochum, North Rhine-Westphalia, Germany | 11th May | 16th OSM Delhi Mapping Party | Delhi, India | 11th May | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark | 11th May | Stadt-Spaziergang mit OpenStreetMap | Kiel, Schleswig-Holstein, Germany | 12th May | OpenStreetMap x Wikidata Taipei #76 | Chengnei, Taipei, Taiwan | 13th May | OSM Utah Monthly Map Night | Salt Lake City, Utah, United States | 13th May | South Bay Map Night | San Jose, California, United States | 13th May | Hamburger Mappertreffen | Hamburg, Germany | 14th May | Mapping Hidden Stories: reflecting on pedestrian accessibility in Athens | Athens, Attica, Greece | 14th May | Workshop & City of Canning Hackathon | City of Perth, Western Australia, Australia | 14th May | Münchner OSM-Treffen | Munich, Bavaria, Germany | 16th–18th May | FOSSGIS-OSM-Communitytreffen im Linuxhotel | Essen, North Rhine-Westphalia, Germany | 17th May | Missing Maps Day Olomouc 2025 | Olomouc, Central Moravia, Czechia | 17th May | Joy Diversion | Manchester, England, United Kingdom | 17th May | Microcartopartie Estrablin (38) | Estrablin, Auvergne-Rhône-Alpes, France | 20th May | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France | 20th May | 188. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany | 20th May | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany | 21st May | [Online] Map-py Wednesday | 23rd May | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany | 27th May | South Bay Map Night | San Jose, California, United States | 28th May | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany | 29th May | [Online] OpenStreetMap Foundation board of Directors - public videomeeting | 1st June | 17th OSM Delhi Mapping Party (Online) | New Delhi, Delhi, India | 3rd June | OSM Treffen Salzburg | Salzburg, Salzburg, Austria | 7th June | Kartenwerkstatt Augustusburg | Augustusburg, Saxony, Germany | 8th June | 17th OSM Delhi Mapping Party | New Delhi, Delhi, India | 9th June | OpenStreetMap x Wikidata Taipei #77 | Chengnei, Taipei, Taiwan | 10th June | South Bay Map Night | San Jose, California, United States | 10th June | Hamburger Mappertreffen | Hamburg, Germany | 12th June | 17. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria | 12th June | Münchner OSM-Treffen | Munich, Bavaria, Germany | 13th–15th June | State of the Map France 2025 | Tours, Centre-Val de Loire, France | 14th June | Apér'OSM Bourgogne-Franche-Comté | Besançon, Bourgogne – Franche-Comté, France | 17th June | 188. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany | 17th June | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany | 19th–21st June | State of the Map US | Boston, Massachusetts, United States | 23rd June | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany | 24th June | South Bay Map Night | San Jose, California, United States | 24th June | OSM Radinfra-Mapathon #2 | Vogtei, Thuringia, Germany | 26th June | [Online] OpenStreetMap Foundation board of Directors - public videomeeting | 27th June | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany | 5th July | 3. OSMS meets VPE | Pforzheim, Baden-Württemberg, Germany | 8th July | South Bay Map Night | San Jose, California, United States | 14th–20th July | FOSS4G Europe 2025 | Mostar, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina | 14th July | OpenStreetMap x Wikidata Taipei #78 | Chengnei, Taipei, Taiwan | 15th July | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany | 17th July | Missing Maps Mapathon in Heidelberg MSF | Heidelberg, Baden-Württemberg, Germany | 22nd July | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany | 22nd July | South Bay Map Night | San Jose, California, United States | 24th July | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany | 24th July | 75. Wiener OSM-Stammtisch | Vienna, Austria | 31st July | [Online] OpenStreetMap Foundation board of Directors - public videomeeting | 5th August | South Bay Map Night | San Jose, California, United States | 11th August | OpenStreetMap x Wikidata Taipei #79 | Chengnei, Taipei, Taiwan | 19th August | South Bay Map Night | San Jose, California, United States | 19th August | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany | 24th August | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany | 28th August | [Online] OpenStreetMap Foundation board of Directors - public videomeeting | 4th–6th September | SotM LatAm 2025 | Medellín, Antioquia, Colombia | 15th September | OpenStreetMap x Wikidata Taipei #80 | Chengnei, Taipei, Taiwan | 16th September | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany | 17th–18th September | Jornadas de SIG Libre / SOTM España | Girona, Catalonia, Spain | 17th September | 18. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria | 25th September | [Online] OpenStreetMap Foundation board of Directors - public videomeeting | 25th September | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany | 3rd–5th October | State of the Map 2025 | Quezon City, Philippines | 13th October | OpenStreetMap x Wikidata Taipei #81 | Chengnei, Taipei, Taiwan | 21st October | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany | 22nd October | 76. Wiener OSM-Stammtisch | Vienna, Austria | 25th October | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany | 7th–9th November | itWikiCon | Catania, Sicily, Italy | 10th November | OpenStreetMap x Wikidata Taipei #82 | Chengnei, Taipei, Taiwan | 18th November | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany | 25th November | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany | 28th–30th November | State of the Map Africa 2025 | Dar es-Salaam, Tanzania | 8th December | OpenStreetMap x Wikidata Taipei #83 | Chengnei, Taipei, Taiwan | 16th December | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany | 18th December | 19. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria | 26th December | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
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