diff --git a/go/CHANGELOG.md b/go/CHANGELOG.md
new file mode 100644
index 0000000..b6c1b56
--- /dev/null
+++ b/go/CHANGELOG.md
@@ -0,0 +1,2 @@
+## 1.0
+ - Initial release
diff --git a/java/CHANGELOG.md b/java/CHANGELOG.md
new file mode 100644
index 0000000..b6c1b56
--- /dev/null
+++ b/java/CHANGELOG.md
@@ -0,0 +1,2 @@
+## 1.0
+ - Initial release
diff --git a/python/CHANGELOG.md b/python/CHANGELOG.md
new file mode 100644
index 0000000..b6c1b56
--- /dev/null
+++ b/python/CHANGELOG.md
@@ -0,0 +1,2 @@
+## 1.0
+ - Initial release
diff --git a/typescript/CHANGELOG.md b/typescript/CHANGELOG.md
new file mode 100644
index 0000000..b6c1b56
--- /dev/null
+++ b/typescript/CHANGELOG.md
@@ -0,0 +1,2 @@
+## 1.0
+ - Initial release