diff --git a/changelog.html b/changelog.html
index ae34a17..a29f6c8 100644
--- a/changelog.html
+++ b/changelog.html
@@ -27,6 +27,10 @@
         <li><a href="#2019-11-23">2019-11-23</a></li>
         <li><a href="#2019-11-24">2019-11-24</a></li>
         <li><a href="#2019-11-26">2019-11-26</a></li>
+        <li><a href="#2019-12-15">2019-12-15</a></li>
+        <li><a href="#2019-12-16">2019-12-16</a></li>
+        <li><a href="#2019-12-17">2019-12-17</a></li>
+        <li><a href="#2019-12-18">2019-12-18</a></li>
       </ul>
     </div>
 
@@ -63,5 +67,38 @@
         <li>global homepage for the project</li>
       </ul>
     </div>
+
+    <div class="section" id="2019-12-15">
+      <a href="#contents" class="toplink">back to top</a>
+      <h2>2019-12-15</h2>
+      <ul>
+        <li>discovered the internet radio sdk and started the <a href="https://tildegit.org/lucidiot/cxml" target="_blank">cxml</a> project</li>
+      </ul>
+    </div>
+
+    <div class="section" id="2019-12-16">
+      <a href="#contents" class="toplink">back to top</a>
+      <h2>2019-12-16</h2>
+      <ul>
+        <li>added neat progress bars for topics under research</li>
+        <li>started the internet radio page</li>
+      </ul>
+    </div>
+
+    <div class="section" id="2019-12-17">
+      <a href="#contents" class="toplink">back to top</a>
+      <h2>2019-12-17</h2>
+      <ul>
+        <li>begun a fake <a href="radio/rfc.txt">RFC</a> for the CXML format</li>
+      </ul>
+    </div>
+
+    <div class="section" id="2019-12-18">
+      <a href="#contents" class="toplink">back to top</a>
+      <h2>2019-12-18</h2>
+      <ul>
+        <li>completed the file header, tree and element descriptions in the RFC</li>
+      </ul>
+    </div>
   </body>
 </html>