1.0 DCPLUS 20201112 13472000 20250506 13472000 https://www.arcgis.com/sharing/rest/content/items/d2e123be380a4321b06d4567d9bb09d1/info/thumbnail/thumbnail1637759954615.png https://www.arcgis.com/home/item.html?id=d2e123be380a4321b06d4567d9bb09d1 d2e123be380a4321b06d4567d9bb09d1 Feature Service https://services5.arcgis.com/ohAFyIFvXFRGcC67/arcgis/rest/services/WWII_Declarations_of_War_Map/FeatureServer WWI Declarations of War Map 2020-11-12T13:47:20 2025-05-06T18:48:53 WWI World War I Declarations of War International Law Telegrams Austria Hungary Austria-Hungary Belgium Brazil China Costa Rica Cuba France Germany Guatemala Haiti Honduras Italy Japan Liberia Nicaragua Ottoman Empire Turkey Panama Romania Russia Siam United Kingdom Great Britain Story United States An interactive map where users can learn about each country's participation in World War I and find further legal resources from the Law Library of Congress. <span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px;'>This interactive map shows how widespread national involvement in World War I was. Each point on the map represents a country involved in WWI. Each color represents a different year that each country entered the war. When clicked, these points open pop up windows that give further information regarding each country's declaration of war and a link to the national legal gazette at the time.</span> Bailey DeSimone, Library Technician (Metadata), Digital Resources Division, Law Library of Congress -90.4670999996033 139.69171609020353 55.75695999990851 -22.912160000256915 1 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