{"version":"1.0","provider_name":"Instytut Polski w Brukseli","provider_url":"https:\/\/instytutpolski.pl\/brussels","author_name":"boleckaa","author_url":"https:\/\/instytutpolski.pl\/brussels\/author\/boleckaa\/","title":"Fifteen years of Poland's membership in the EU - Instytut Polski w Brukseli","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"QStEBwXeaR\"><a href=\"https:\/\/instytutpolski.pl\/brussels\/en\/2019\/05\/01\/fifteen-years-of-polands-membership-in-the-eu\/\">Fifteen years of Poland&#8217;s membership in the EU<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/instytutpolski.pl\/brussels\/en\/2019\/05\/01\/fifteen-years-of-polands-membership-in-the-eu\/embed\/#?secret=QStEBwXeaR\" width=\"600\" height=\"338\" title=\"&#8222;Fifteen years of Poland&#8217;s membership in the EU&#8221; &#8212; Instytut Polski w Brukseli\" data-secret=\"QStEBwXeaR\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/instytutpolski.pl\/brussels\/wp-content\/uploads\/sites\/4\/2019\/05\/99990fr-2.jpg","thumbnail_width":572,"thumbnail_height":432,"description":"On 1 May 2004, Poland, together with the Czech Republic, Slovakia, Hungary, Lithuania, Latvia, Estonia, Slovenia, Cyprus and Malta, joined the EU. The 2004 enlargement was the largest in the Union\u2019s history. In the first step, on 16 December 1991, Poland signed\u00a0 the Europe Agreement on 16 December 1991 establishing an association between Poland and [&hellip;]"}