diff --git a/HISTORY.md b/HISTORY.md
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+# v1.2.1 (2021-10-20)
+
+## Fixed
+
+* Font size and web layout compatible with mobile devices.
+
+# v1.2.0 (2021-10-06)
+
+## New features
+
+* Information about `ID`, `Name`, `Altitude`, and `Velocity` added to the popup when clicked on space objects on the map.
+* Colour-coded marker added on the map based upon the orbit where the space object is moving.
+* Map legends added to identify the object based upon their altitude.
+
+## Fixed
+
+* New screenshot of the map added to the tutorial.
+
+# v1.1 (2021-10-06)
+
+## New features
+
+* Tutorials page added.
+* About us page added.
+
+# v1.0.2 (2021-10-03)
+
+## New features
+
+* Search for any known objects in space such as a satellite or debris.
+* Track space objects in real-time with 30 seconds intervals.
+* Clear the map to remove all the space object markers from the map.
+* Map with street view enabled.
diff --git a/about.html b/about.html
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+
About Us
diff --git a/index.html b/index.html
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+
Stuff in Space
diff --git a/tutorials.html b/tutorials.html
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--- a/tutorials.html
+++ b/tutorials.html
@@ -2,6 +2,7 @@
+
Tutorials