diff --git a/HISTORY.md b/HISTORY.md
index 90486515..5a32db3b 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -4,6 +4,31 @@ In the beginning, programmers created the databases. Now the databases were form
 
 And so [Salesforce.org](http://salesforce.org/) said “Let there be data,” and there was Snowfakery. And it was good.
 
+## Snowfakery 1.0.0
+
+Add child_index feature for calculating the index number of each child object (see documentation for more information).
+
+Internal changes to support upcoming features in CumulusCI.
+
+Documentation for the Math plugin.
+
+Dates can now be parsed from strings with the `date()` function. (see docs)
+
+Added `relativedelta()` function. (see docs)
+
+Official formula syntax is now ${{foo}} instead of <<foo>>. The old syntax will be supported 
+for at least the remainder of 2020.
+
+Docs are checked into Git in Markdown format.
+
+Official terminology changed so that Snowfakery files are now called "recipes".
+
+Stabilize the output order for CCI Mapping files generated by Snowfakery.
+
+New syntax for Internalized fake data. (see docs)
+
+Internally use the plugin architecture to support even the builtin functions.
+
 ## Snowfakery 0.8.1
 
 Snowfakery includes support for Salesforce RecordTypes.
diff --git a/snowfakery/version.py b/snowfakery/version.py
index 73baf8fe..11a716ec 100644
--- a/snowfakery/version.py
+++ b/snowfakery/version.py
@@ -1 +1 @@
-version = "0.8.1"
+version = "1.0.0"