{ "type": "FeatureCollection", "features": [ { "type": "Feature", "properties": { "id": "operation_invasion_poland", "name": "Invasion of Poland", "type": "operation", "theater": "Europe", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1939-09-01", "end_date": "1939-10-06", "actors": [ "Germany", "Soviet Union", "Poland" ], "commanders": [ "Walther von Brauchitsch", "Edward Rydz-Smigly" ], "forces": "German, Soviet, and Polish forces", "outcome": "Partition and occupation of Poland", "summary": "Opening campaign of the Second World War in Europe; represented as a schematic operational seed layer." }, "geometry": { "type": "Point", "coordinates": [ 19.1451, 51.9194 ] } }, { "type": "Feature", "properties": { "id": "operation_battle_france", "name": "Battle of France", "type": "operation", "theater": "Western Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1940-05-10", "end_date": "1940-06-25", "actors": [ "Germany", "France", "United Kingdom", "Belgium", "Netherlands" ], "commanders": [ "Gerd von Rundstedt", "Maurice Gamelin", "Maxime Weygand" ], "forces": "German Army Groups A and B, Allied armies", "outcome": "German occupation of northern and western France", "summary": "German campaign through the Low Countries and France, including the breakthrough toward the Channel." }, "geometry": { "type": "Point", "coordinates": [ 2.2137, 46.2276 ] } }, { "type": "Feature", "properties": { "id": "operation_battle_britain", "name": "Battle of Britain", "type": "operation", "theater": "Western Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1940-07-10", "end_date": "1940-10-31", "actors": [ "United Kingdom", "Germany" ], "commanders": [ "Hugh Dowding", "Hermann Goering" ], "forces": "RAF Fighter Command and Luftwaffe air fleets", "outcome": "German air offensive failed to gain air superiority", "summary": "Air campaign over Britain; represented by air-campaign records rather than tactical sorties." }, "geometry": { "type": "Point", "coordinates": [ -0.1276, 51.5072 ] } }, { "type": "Feature", "properties": { "id": "operation_barbarossa", "name": "Operation Barbarossa", "type": "operation", "theater": "Eastern Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1941-06-22", "end_date": "1941-12-05", "actors": [ "Germany", "Soviet Union" ], "commanders": [ "Adolf Hitler", "Franz Halder", "Georgy Zhukov" ], "forces": "Axis army groups and Soviet fronts", "outcome": "Initial Axis advances halted before Moscow", "summary": "Axis invasion of the Soviet Union; represented here as a sourced operational layer, not as a tactical simulation." }, "geometry": { "type": "Point", "coordinates": [ 30.0, 54.5 ] } }, { "type": "Feature", "properties": { "id": "operation_siege_leningrad", "name": "Siege of Leningrad", "type": "operation", "theater": "Eastern Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1941-09-08", "end_date": "1944-01-27", "actors": [ "Germany", "Finland", "Soviet Union" ], "commanders": [ "Wilhelm Ritter von Leeb", "Leonid Govorov" ], "forces": "Army Group North and Soviet Leningrad Front", "outcome": "Siege lifted by Soviet operations", "summary": "Long siege and blockade of Leningrad / Saint Petersburg." }, "geometry": { "type": "Point", "coordinates": [ 30.3351, 59.9343 ] } }, { "type": "Feature", "properties": { "id": "operation_battle_moscow", "name": "Battle of Moscow", "type": "operation", "theater": "Eastern Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1941-10-02", "end_date": "1942-01-07", "actors": [ "Germany", "Soviet Union" ], "commanders": [ "Fedor von Bock", "Georgy Zhukov" ], "forces": "Army Group Center and Soviet Western Front", "outcome": "German offensive halted and pushed back", "summary": "German drive toward Moscow and Soviet winter counteroffensive." }, "geometry": { "type": "Point", "coordinates": [ 37.6173, 55.7558 ] } }, { "type": "Feature", "properties": { "id": "operation_stalingrad", "name": "Battle of Stalingrad", "type": "operation", "theater": "Eastern Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1942-08-23", "end_date": "1943-02-02", "actors": [ "Germany", "Soviet Union", "Romania", "Italy", "Hungary" ], "commanders": [ "Friedrich Paulus", "Vasily Chuikov", "Aleksandr Vasilevsky" ], "forces": "German Sixth Army and Soviet fronts", "outcome": "Soviet victory and Axis strategic reversal", "summary": "Major urban battle and encirclement on the Volga." }, "geometry": { "type": "Point", "coordinates": [ 44.5133, 48.708 ] } }, { "type": "Feature", "properties": { "id": "operation_north_africa", "name": "North African Campaign", "type": "operation", "theater": "Mediterranean / North Africa", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1940-06-10", "end_date": "1943-05-13", "actors": [ "United Kingdom", "Germany", "Italy", "United States", "Free France" ], "commanders": [ "Erwin Rommel", "Bernard Montgomery", "Dwight D. Eisenhower" ], "forces": "Axis and Allied desert armies", "outcome": "Axis surrender in Tunisia", "summary": "Campaign across Libya, Egypt, Algeria, Morocco, and Tunisia." }, "geometry": { "type": "Point", "coordinates": [ 20.0, 30.0 ] } }, { "type": "Feature", "properties": { "id": "operation_kursk", "name": "Battle of Kursk", "type": "operation", "theater": "Eastern Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1943-07-05", "end_date": "1943-08-23", "actors": [ "Germany", "Soviet Union" ], "commanders": [ "Erich von Manstein", "Walter Model", "Georgy Zhukov", "Konstantin Rokossovsky" ], "forces": "German armored formations and Soviet fronts", "outcome": "Soviet victory after German offensive failed", "summary": "Large armored battle and Soviet defensive/offensive sequence around the Kursk salient." }, "geometry": { "type": "Point", "coordinates": [ 36.1926, 51.7304 ] } }, { "type": "Feature", "properties": { "id": "operation_overlord", "name": "Operation Overlord / Normandy", "type": "operation", "theater": "Western Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1944-06-06", "end_date": "1944-08-30", "actors": [ "United States", "United Kingdom", "Canada", "Germany", "Free France" ], "commanders": [ "Dwight D. Eisenhower", "Bernard Montgomery", "Gerd von Rundstedt" ], "forces": "Allied expeditionary forces and German western armies", "outcome": "Allied lodgement and breakout from Normandy", "summary": "Allied landings and campaign in Normandy." }, "geometry": { "type": "Point", "coordinates": [ -0.55, 49.3 ] } }, { "type": "Feature", "properties": { "id": "operation_bagration", "name": "Operation Bagration", "type": "operation", "theater": "Eastern Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1944-06-22", "end_date": "1944-08-19", "actors": [ "Soviet Union", "Germany" ], "commanders": [ "Konstantin Rokossovsky", "Ivan Chernyakhovsky", "Walter Model" ], "forces": "Soviet fronts and German Army Group Center", "outcome": "Destruction of much of Army Group Center", "summary": "Soviet summer offensive in Belarus and eastern Poland." }, "geometry": { "type": "Point", "coordinates": [ 27.56, 53.9 ] } }, { "type": "Feature", "properties": { "id": "operation_berlin", "name": "Battle of Berlin", "type": "operation", "theater": "Eastern Front", "source": "ww2_seed_registry", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1945-04-16", "end_date": "1945-05-02", "actors": [ "Soviet Union", "Germany", "Poland" ], "commanders": [ "Georgy Zhukov", "Ivan Konev", "Helmuth Weidling" ], "forces": "Soviet fronts and German Berlin defense", "outcome": "Capture of Berlin and collapse of Nazi Germany", "summary": "Final major European operation against Berlin." }, "geometry": { "type": "Point", "coordinates": [ 13.405, 52.52 ] } }, { "type": "Feature", "properties": { "id": "operation_pearl_harbor", "name": "Attack on Pearl Harbor", "type": "operation", "theater": "Pacific", "source": "nara_ww2_photos", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1941-12-07", "end_date": "1941-12-07", "actors": [ "Japan", "United States" ], "commanders": [ "Isoroku Yamamoto", "Husband E. Kimmel" ], "outcome": "United States enters the war after Japanese attack", "summary": "Japanese carrier attack on the U.S. Pacific Fleet base at Pearl Harbor." }, "geometry": { "type": "Point", "coordinates": [ -157.95, 21.35 ] } }, { "type": "Feature", "properties": { "id": "operation_midway", "name": "Battle of Midway", "type": "operation", "theater": "Pacific", "source": "us_army_cmh_campaigns", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1942-06-04", "end_date": "1942-06-07", "actors": [ "United States", "Japan" ], "commanders": [ "Chester W. Nimitz", "Isoroku Yamamoto" ], "outcome": "Decisive U.S. carrier victory", "summary": "Major Pacific carrier battle that shifted strategic initiative." }, "geometry": { "type": "Point", "coordinates": [ -177.35, 28.2 ] } }, { "type": "Feature", "properties": { "id": "operation_guadalcanal", "name": "Guadalcanal Campaign", "type": "operation", "theater": "Pacific", "source": "us_army_cmh_campaigns", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1942-08-07", "end_date": "1943-02-09", "actors": [ "United States", "Japan", "Allies" ], "commanders": [ "Alexander Vandegrift", "Harukichi Hyakutake" ], "outcome": "Allied victory in the Solomon Islands", "summary": "Sustained land, sea, and air campaign around Guadalcanal." }, "geometry": { "type": "Point", "coordinates": [ 160.145, -9.577 ] } }, { "type": "Feature", "properties": { "id": "operation_italian_campaign", "name": "Italian Campaign", "type": "operation", "theater": "Mediterranean / North Africa", "source": "us_army_cmh_campaigns", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1943-09-03", "end_date": "1945-05-02", "actors": [ "Allies", "Germany", "Italy" ], "commanders": [ "Harold Alexander", "Albert Kesselring" ], "outcome": "Allied advance through Italy", "summary": "Campaign from southern Italy toward northern Italy and the Alps." }, "geometry": { "type": "Point", "coordinates": [ 12.5, 42.5 ] } }, { "type": "Feature", "properties": { "id": "operation_iwo_jima", "name": "Battle of Iwo Jima", "type": "operation", "theater": "Pacific", "source": "us_army_cmh_campaigns", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1945-02-19", "end_date": "1945-03-26", "actors": [ "United States", "Japan" ], "commanders": [ "Holland Smith", "Tadamichi Kuribayashi" ], "outcome": "U.S. capture of Iwo Jima", "summary": "Major amphibious assault in the Central Pacific." }, "geometry": { "type": "Point", "coordinates": [ 141.29, 24.75 ] } }, { "type": "Feature", "properties": { "id": "operation_okinawa", "name": "Battle of Okinawa", "type": "operation", "theater": "Pacific", "source": "us_army_cmh_campaigns", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1945-04-01", "end_date": "1945-06-22", "actors": [ "United States", "Japan", "United Kingdom" ], "commanders": [ "Simon Bolivar Buckner Jr.", "Mitsuru Ushijima" ], "outcome": "Allied capture of Okinawa", "summary": "Final major amphibious battle before Japanese surrender." }, "geometry": { "type": "Point", "coordinates": [ 127.75, 26.5 ] } }, { "type": "Feature", "properties": { "id": "operation_china_burma_india", "name": "China-Burma-India theater operations", "type": "operation", "theater": "China-Burma-India", "source": "hyperwar_ibiblio", "confidence": "contextual", "review_status": "seed_record", "geometry_status": "schematic", "start_date": "1942-01-01", "end_date": "1945-08-15", "actors": [ "China", "United States", "United Kingdom", "Japan" ], "commanders": [ "Joseph Stilwell", "Chiang Kai-shek" ], "outcome": "Allied theater operations against Japanese forces in Burma/China context", "summary": "Broad CBI theater seed record for Burma Road, China support, and regional operations." }, "geometry": { "type": "Point", "coordinates": [ 96.0, 22.0 ] } } ] }