CHANGELOG.md in work_day-1.1.0 vs CHANGELOG.md in work_day-1.2.0

@@ -4,9 +4,13 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [1.2.0] - 2018-09-10
+### Added
+- Feature to use the same calendar with different names
+
 ## [1.1.0] - 2018-08-29
 ### Added
 - Feature to use diferent calendars in a block
 - Thread safety