diff --git a/app/templates/site.xml b/app/templates/site.xml
index 608a60997..f3080679b 100644
--- a/app/templates/site.xml
+++ b/app/templates/site.xml
@@ -43,9 +43,9 @@
                     <div class="row">
                         <div class="col-sm-7">
                             <a href="$app/">
-                                <img class="img-responsive" width="400"
-                                    src="$app/resources/images/Office-of-the-Historian-logo_500x168.jpg"
-                                    alt="Office of the Historian"/>
+                                <img alt="Office of the Historian" class="img-responsive"
+                                    src="$app/resources/images/a-sks-oh-flag-logo-horizontal-navy-medium.png"
+                                 />
                             </a>
                         </div>
                         <div class="col-sm-5">
diff --git a/modules/config.xqm b/modules/config.xqm
index ba78b7a89..bed981d66 100644
--- a/modules/config.xqm
+++ b/modules/config.xqm
@@ -22,9 +22,11 @@ declare namespace response="http://exist-db.org/xquery/response";
 declare namespace a="http://www.w3.org/2005/Atom";
 declare namespace xhtml="http://www.w3.org/1999/xhtml";
 
+(: editorial date - the earliest possible "last-modified" time applied to all pages on the site 
+ : to ensure any pages that were cached before this date are refreshed when requested after 
+ : this date :)
+declare variable $config:EDITORIAL_DATE_TIME := xs:dateTime("2025-12-20T00:00:00-00:00");
 
-(: updated date-time due to: https://github.com/HistoryAtState/hsg-shell/pull/481 :)
-declare variable $config:EDITORIAL_DATE_TIME := xs:dateTime("2025-08-26T00:00:00-00:00");
 (:
     Determine the application root collection from the current module load path.
 :)
diff --git a/resources/images/a-sks-oh-flag-logo-horizontal-navy-medium.png b/resources/images/a-sks-oh-flag-logo-horizontal-navy-medium.png
new file mode 100644
index 000000000..048b5965b
Binary files /dev/null and b/resources/images/a-sks-oh-flag-logo-horizontal-navy-medium.png differ