1.0heritohttps://herito.pl/en/Agnieszka Sacharhttps://herito.pl/en/author/agnieszka-sachar/rich600338<blockquote class="wp-embedded-content" data-secret="JVmXes8RTz"><a href="https://herito.pl/en/autor/mathieu-olivier/">Olivier Mathieu</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://herito.pl/en/autor/mathieu-olivier/embed/#?secret=JVmXes8RTz" width="600" height="338" title="“Olivier Mathieu” — herito" data-secret="JVmXes8RTz" 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); //# sourceURL=https://herito.pl/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Mathieu Olivier holds a PhD in medieval history from Université Paris-Est Créteil(UPEC/France) on the chronicles of the Teutonic Order; his research mainly focuses on medieval and early modern writing, the political history of the late Middle Ages, crusading ideology, but also on battles and battlegrounds as lieux de mémoire throughout the centuries. He also contributes to the research project “German-Polish lieux de mémoires”under the supervision of Prof. Traba (Center for Historical studies, PANin Berlin), writing the paper on Tannenberg/Grunwald as "lieu de mémoire" in both countries. He is now teaching history and geography in a bilingual, French-German, section in Southern France.