{"version":"1.0","provider_name":"Jewish Holidays","provider_url":"https:\/\/www.ou.org\/holidays","title":"The Crusades and the Ba'alei Tosfos: The Historical Context of Sefirah","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"H3w8u9Oksi\"><a href=\"https:\/\/www.ou.org\/holidays\/crusades-baalei-tosfos-sefirah\/\">The Crusades, 1096, and the Saga of the Ba&#8217;alei Tosfos: The Historical Context of Sefirat HaOmer<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ou.org\/holidays\/crusades-baalei-tosfos-sefirah\/embed\/#?secret=H3w8u9Oksi\" width=\"600\" height=\"338\" title=\"&#8220;The Crusades, 1096, and the Saga of the Ba&#8217;alei Tosfos: The Historical Context of Sefirat HaOmer&#8221; &#8212; Jewish Holidays\" data-secret=\"H3w8u9Oksi\" 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\/\/# sourceURL=https:\/\/www.ou.org\/holidays\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.ou.org\/holidays\/files\/belvoir-fortress.jpg","thumbnail_width":1021,"thumbnail_height":681,"description":"The Gemara mentions that the students of Rebbi Akiva died between Pesach and Shavuot but doesn't mention anything about mourning. The Rama says that during Sefirah we recite Av HaRachamim even if Shabbos falls on a no-Tachanun day because of the massacres during the first Crusade."}