diff --git a/china-a-century-of-revolution.md b/china-a-century-of-revolution.md
index 15a49e7fa..175238c9e 100644
--- a/china-a-century-of-revolution.md
+++ b/china-a-century-of-revolution.md
@@ -5,6 +5,12 @@
   - [[part 1]]
     - [[1911]] to [[1949]]
     - [[yt]] https://www.youtube.com/watch?v=I5cl0GjPjy4
+  - [[part 2]]
+    - [[1949]] to [[1976]]
+    - [[yt]] https://www.youtube.com/watch?v=PJyoX_vrlns
+  - [[part 3]]
+    - [[1976]] to [[1997]]
+    - [[yt]] https://www.youtube.com/watch?v=Fh9Qma_V4h4
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [go]: go "Go"
diff --git a/documentary.md b/documentary.md
new file mode 100644
index 000000000..40ff81482
--- /dev/null
+++ b/documentary.md
@@ -0,0 +1,9 @@
+# documentary
+
+- [[pull]] [[documentaries]]
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[pull]: pull "Pull"
+[documentaries]: documentaries "documentaries"
+[//end]: # "Autogenerated link references"
\ No newline at end of file