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+## Unreleased
+
+### Zone Changes
+
+* Refactor of timezones in China ([#13](https://github.com/evansiroky/timezone-boundary-builder/issues/13))
+  * Integration of areas formerly found in Asia/Chongqing, Asia/Harbin and Asia/Kashgar into other zones
+  * Expansion of Asia/Shanghai to all of China except Xinjiang
+  * Asia/Urumqi is now comprised of Xinjiang
+* Fix Mexico Beach, FL by moving it to central time ([#20](https://github.com/evansiroky/timezone-boundary-builder/issues/20))
+* Make Viedma glacier area work with updated OSM boundaries
+* Remove small holes and reduce geojson precision. ([#11](https://github.com/evansiroky/timezone-boundary-builder/issues/11) and [#17](https://github.com/evansiroky/timezone-boundary-builder/issues/17))
+* Remove zones found in backward file of timezone db ([#16](https://github.com/evansiroky/timezone-boundary-builder/issues/16))
+  * America/Coral_Harbour now integrated into America/Atikokan
+  * America/Montreal now integrated into America/Toronto
+  * See notes on China refactor for changes to Asia/Chongqing, Asia/Harbin, Asia/Kashgar, Asia/Shanghai and Asia/Urumqi
+  * Asia/Rangoon renamed to Asia/Yangon
+  * Pacific/Yap integrated into Pacific/Chuuk
+  * Pacific/Johnston integrated into Pacific/Honolulu
+* Add Page, AZ to America/Phoenix ([#9](https://github.com/evansiroky/timezone-boundary-builder/issues/9))
+* Update to latest OSM data
+
+### Other Changes
+
+* Add linting of json files
+  * A overpass source listed in timezones.json must have a corresponding definition in osmBoundarySources.json
+  * A overpass source defined in osmBoundarySources.json must be used in at least one operation in timezones.json
+  * A manual-polygon or manual-multipolygon defined in timezones.json must be accompanied with a description.
+* Add ability to build only certain zones in builder script
+* Add travis-ci builds that require linting script to pass
+* Added descriptions to manual geometries
+
+## 2017a
+
+* Zone Changes
+  * Add new zone America/Punta_Arenas by taking area from America/Santiago
+  * Move the boundary of America/New_York and America/Chicago in the region of various towns in Alabama such as Phenix City to the west to include these towns in America/New_York
+  * Implement own interpretation of border of America/Chicago and America/Denver in the following places:
+    * Move boundary to the east of ND Highway 31 in Sioux county, ND
+    * Move diagonal boundary through Stanley County, SD northwest so it doesn't go through the middle of Fort Pierre
+  * Update to latest OSM data
+* Other changes
+  * Add picture of zones to README
+
+## 2016j
+
+- Zone Changes
+  - Add new zone Asia/Atyrau by taking area from Asia/Aqtau
+  - Add new zone Europe/Saratov by taking area from Europe/Volgograd
+  - Update to latest OSM data
+- Other changes
+  - README updates
+
+
+## 2016i
+
+- Zone Changes
+  - Split Cyprus into 2 zones.  The existing Asia/Nicosia now ends at
+    the northern boundary of the United Nations Buffer Zone and the new
+    zone Asia/Famagusta contains everything north of the buffer zone.
+  - Add missing data definitions: Congo-Kinshasa and South Sudan
+  - Old Crimea boundary no longer exists in OSM, use combination of
+    Crimea + Sevastopol
+  - Typo of extra space in Harrison County fixed in OSM
+  - Taishan City now has invalid geometry in OSM, use Xinhui district
+    instead when making boundaries
+  - Update to latest OSM data
+- Other changes
+  - Add download throttling of publicly available Overpass API
+  - Remove old dist files if they exist so ogr2ogr can work
+  - Update README to note change in Overpass API querying
+
+
+## 2016d
+
+First data release of the project.