{"version":"1.0","provider_name":"Deutschlandmuseum","provider_url":"https:\/\/www.deutschlandmuseum.de\/en\/","author_name":"rici","author_url":"https:\/\/www.deutschlandmuseum.de\/en\/author\/rici\/","title":"Defending \u201cFrisian freedom\u201d - Deutschlandmuseum","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"W4DyFnDIbZ\"><a href=\"https:\/\/www.deutschlandmuseum.de\/en\/history\/calendar\/1427-10-28-defending-frisian-freedom\/\">Defending \u201cFrisian freedom\u201d<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.deutschlandmuseum.de\/en\/history\/calendar\/1427-10-28-defending-frisian-freedom\/embed\/#?secret=W4DyFnDIbZ\" width=\"600\" height=\"338\" title=\"&#8220;Defending \u201cFrisian freedom\u201d&#8221; &#8212; Deutschlandmuseum\" data-secret=\"W4DyFnDIbZ\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.deutschlandmuseum.de\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.deutschlandmuseum.de\/wp-content\/uploads\/2025\/10\/28101427_Friesische_Freiheit-768x432.jpg","thumbnail_width":600,"thumbnail_height":338,"description":"Friesland was one of the few regions of the Holy Roman Empire where the feudal system, based on the dependence of serf farmers, was unable to establish itself. Instead, the Frisians were free individuals enjoying a state known as \u201cFrisian freedom\u201d. [...]"}