1.0Archives of Belarushttps://archives.gov.by/enadminhttps://archives.gov.by/en/news/author/adminrich600338<blockquote class="wp-embedded-content" data-secret="8K0grCHFS9"><a href="https://archives.gov.by/en/news/1023536">Dmitry Ivanov, a student at the Vitebsk branch of the Belarusian State Archives of the Academy of Sciences, presented his research paper on the results of collaboration with the State Archives of the Vitebsk Region within the framework of the «Archives for School» program</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://archives.gov.by/en/news/1023536/embed#?secret=8K0grCHFS9" width="600" height="338" title="“Dmitry Ivanov, a student at the Vitebsk branch of the Belarusian State Archives of the Academy of Sciences, presented his research paper on the results of collaboration with the State Archives of the Vitebsk Region within the framework of the «Archives for School» program” — Archives of Belarus" data-secret="8K0grCHFS9" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); /* ]]> */ </script>