move DevDays Europe from upcoming to past

Author: davearonson

_includes/upcoming-engagements.html

@@ -1,13 +1,13 @@
-<!--
 I have no definite speaking engagements in the _future_.
--->
 
+<!--
 These are my _definite_ speaking engagements in the future.&nbsp;
 There is also a
 [Likely Speaking Engagements](/speaking/likely)
 page, for ones that are not yet definite.
 
 |When||Conference||Where||Topic(s) |
 |-|
-|May&nbsp;2025||[DevDays Europe](https://devdays.lt/){:rel="nofollow" target="_new"}||Vilnius, Lithuania||Genetic Algos|
+|Mon&nbsp;YYYY||[Conf](){:rel="nofollow" target="_new"}||Place||Topic|
 {:class="upcoming-engagements speaking"}
+-->

speaking/past.md

@@ -22,6 +22,17 @@ but also some podcasts, user-group meetings, etc.:
   </thead>
   <tbody>
 
+    <tr>
+      <td class="numeric">2025</td>
+      <td><a href="https://devdays.lt/" rel="nofollow" target="_new">DevDays Europe</a></td>
+      <td>Vilnius, Lithuania</td>
+      <td>Genetic Algos</td>
+      <td>
+        <a href="/reds/gen-algs-dd-eu-25-slides" target="_new">slides</a>*
+      </td>
+      <td class="numeric">35</td>
+    </tr>
+
     <tr>
       <td class="numeric">2025</td>
       <td><a href="https://sddconf.com/" rel="nofollow" target="_new">Software Design &amp; Development</a></td>