Repository: vacanza/holidays (python)

Issue:
Missing 2028-06-17 ("75. Jahrestag des Aufstandes vom 17. Juni 1953"); One-Time Holiday in Berlin, Germany (DE-BE)
## Bug Report

### Expected Behavior
2028-06-17 is a public holiday in DE-BE (Berlin, Germany)

https://gesetze.berlin.de/bsbe/document/jlr-FeiertGBEV8P1

### Actual Behavior

2028-06-17 is not marked as holiday yet.
https://github.com/vacanza/holidays/blob/b2e68379e42c36b2dfbb8bb8f95b47ada12c2051/snapshots/countries/DE_BE.json#L354-L363

Pull request description:
Update Germany holidays: add East German Uprising Day 2028 in Berlin
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  Thanks for contributing to holidays!
-->

## Proposed change

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  Describe the big picture of your changes.
  Don't forget to link your PR to an existing issue if any.
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Adds the `75th anniversary of the East German uprising of 1953` for Berlin, Germany in 2028. English localization is partially based on a [DW article](https://www.dw.com/en/berlin-commemorates-1953-uprising-in-east-germany/a-39289423) and Ukranian one could use a review here @KJhellico .

Resolves #2089 .

## Type of change

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  Type of change you want to introduce. Please, check one (1) box only!
  If your PR requires multiple boxes to be checked, most likely it needs to
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- [ ] New country/market holidays support (thank you!)
- [x] Supported country/market holidays update (calendar discrepancy fix, localization)
- [ ] Existing code/documentation/test/process quality improvement (best practice, cleanup, refactoring, optimization)
- [ ] Dependency update (version deprecation/pin/upgrade)
- [ ] Bugfix (non-breaking change which fixes an issue)
- [ ] Breaking change (a code change causing existing functionality to break)
- [ ] New feature (new `holidays` functionality in general)

## Checklist

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  Put an `x` in the boxes that apply. You can change them after PR is created.
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- [x] I've followed the [contributing guidelines][contributing-guidelines]
- [x] I've run `make pre-commit`, it didn't generate any changes
- [x] I've run `make test`, all tests passed locally

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  Thanks again for your contribution!
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[contributing-guidelines]: https://github.com/vacanza/holidays/blob/dev/CONTRIBUTING.rst
[docs]: https://github.com/vacanza/holidays/tree/dev/docs/source


Patch:
diff --git a/holidays/countries/germany.py b/holidays/countries/germany.py
index 5f00cc03..e4f6cc70 100644
--- a/holidays/countries/germany.py
+++ b/holidays/countries/germany.py
@@ -12,7 +12,7 @@
 
 from gettext import gettext as tr
 
-from holidays.calendars.gregorian import MAY, OCT
+from holidays.calendars.gregorian import MAY, JUN, OCT
 from holidays.constants import CATHOLIC, PUBLIC
 from holidays.groups import ChristianHolidays, InternationalHolidays, StaticHolidays
 from holidays.holiday_base import HolidayBase
@@ -304,6 +304,13 @@ class DEU(Germany):
 
 
 class GermanyStaticHolidays:
+    """
+    References:
+     - https://www.stuttgarter-zeitung.de/inhalt.reformationstag-2017-einmalig-bundesweiter-feiertag.b7e189b3-a33d-41a3-a0f4-141cd13df54e.html
+     - https://www.bbc.com/news/world-europe-52574748
+     - https://gesetze.berlin.de/bsbe/document/jlr-FeiertGBEV8P1
+    """
+
     special_public_holidays = {
         2017: (OCT, 31, tr("Reformationstag")),
     }
@@ -329,4 +336,6 @@ class GermanyStaticHolidays:
                 "und der Beendigung des Zweiten Weltkriegs in Europa"
             ),
         ),
+        # 75th anniversary of the East German uprising of 1953.
+        2028: (JUN, 17, tr("75. Jahrestag des Aufstandes vom 17. Juni 1953")),
     }
diff --git a/holidays/countries/thailand.py b/holidays/countries/thailand.py
index 37c99f64..32f773ff 100644
--- a/holidays/countries/thailand.py
+++ b/holidays/countries/thailand.py
@@ -448,9 +448,10 @@ class Thailand(ObservedHolidayBase, InternationalHolidays, StaticHolidays, ThaiC
         #  - CASE 2: SAT-SUN -> 1 in-lieu on MON
         #  - CASE 3: SUN-MON -> 1 in-lieu on TUE
 
-        # Asarnha Bucha.
         self._add_observed(
-            self._add_asarnha_bucha(tr("วันอาสาฬหบูชา")), rule=SAT_SUN_TO_NEXT_MON_TUE
+            # Asarnha Bucha.
+            self._add_asarnha_bucha(tr("วันอาสาฬหบูชา")),
+            rule=SAT_SUN_TO_NEXT_MON_TUE,
         )
 
         # วันเข้าพรรษา
diff --git a/holidays/locale/de/LC_MESSAGES/DE.po b/holidays/locale/de/LC_MESSAGES/DE.po
index 81b4e6bf..06f50b13 100644
--- a/holidays/locale/de/LC_MESSAGES/DE.po
+++ b/holidays/locale/de/LC_MESSAGES/DE.po
@@ -13,9 +13,9 @@
 # Germany holidays.
 msgid ""
 msgstr ""
-"Project-Id-Version: Holidays 0.59\n"
+"Project-Id-Version: Holidays 0.60\n"
 "POT-Creation-Date: 2023-04-04 16:13+0300\n"
-"PO-Revision-Date: 2024-10-17 11:43+0700\n"
+"PO-Revision-Date: 2024-10-30 02:14+0700\n"
 "Last-Translator: PPsyrius <ppsyrius@ppsyrius.dev>\n"
 "Language-Team: Holidays localization team\n"
 "Language: de\n"
@@ -115,3 +115,7 @@ msgstr ""
 #. World Children's Day.
 msgid "Weltkindertag"
 msgstr ""
+
+#. 75th anniversary of the East German uprising of 1953.
+msgid "75. Jahrestag des Aufstandes vom 17. Juni 1953"
+msgstr ""
diff --git a/holidays/locale/en_US/LC_MESSAGES/DE.po b/holidays/locale/en_US/LC_MESSAGES/DE.po
index 6020e2d0..f6e7d002 100644
--- a/holidays/locale/en_US/LC_MESSAGES/DE.po
+++ b/holidays/locale/en_US/LC_MESSAGES/DE.po
@@ -14,9 +14,9 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Holidays 0.59\n"
+"Project-Id-Version: Holidays 0.60\n"
 "POT-Creation-Date: 2023-04-04 16:13+0300\n"
-"PO-Revision-Date: 2024-10-17 11:43+0700\n"
+"PO-Revision-Date: 2024-10-30 02:14+0700\n"
 "Last-Translator: PPsyrius <ppsyrius@ppsyrius.dev>\n"
 "Language-Team: Holidays localization team\n"
 "Language: en_US\n"
@@ -120,3 +120,7 @@ msgstr "Assumption Day"
 #. World Children's Day.
 msgid "Weltkindertag"
 msgstr "World Children's Day"
+
+#. 75th anniversary of the East German uprising of 1953.
+msgid "75. Jahrestag des Aufstandes vom 17. Juni 1953"
+msgstr "75th anniversary of the East German uprising of 1953"
diff --git a/holidays/locale/th/LC_MESSAGES/DE.po b/holidays/locale/th/LC_MESSAGES/DE.po
index 601c4954..a0ed17b7 100644
--- a/holidays/locale/th/LC_MESSAGES/DE.po
+++ b/holidays/locale/th/LC_MESSAGES/DE.po
@@ -14,11 +14,11 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Holidays 0.59\n"
+"Project-Id-Version: Holidays 0.60\n"
 "POT-Creation-Date: 2024-09-05 23:21+0700\n"
-"PO-Revision-Date: 2024-10-17 11:44+0700\n"
+"PO-Revision-Date: 2024-10-30 02:14+0700\n"
 "Last-Translator: PPsyrius <ppsyrius@ppsyrius.dev>\n"
-"Language-Team: Holidays Localization Team\n"
+"Language-Team: Holidays localization team\n"
 "Language: th\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -120,3 +120,7 @@ msgstr "วันสมโภชแม่พระรับเกียรติ
 #. World Children's Day.
 msgid "Weltkindertag"
 msgstr "วันเด็กสากล"
+
+#. 75th anniversary of the East German uprising of 1953.
+msgid "75. Jahrestag des Aufstandes vom 17. Juni 1953"
+msgstr "วันครบรอบ 75 ปีของการก่อการกำเริบในเยอรมนีตะวันออก ค.ศ. 1953"
diff --git a/holidays/locale/uk/LC_MESSAGES/DE.po b/holidays/locale/uk/LC_MESSAGES/DE.po
index b31b024e..ee6ed677 100644
--- a/holidays/locale/uk/LC_MESSAGES/DE.po
+++ b/holidays/locale/uk/LC_MESSAGES/DE.po
@@ -14,9 +14,9 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Holidays 0.59\n"
+"Project-Id-Version: Holidays 0.60\n"
 "POT-Creation-Date: 2023-04-04 16:13+0300\n"
-"PO-Revision-Date: 2024-10-17 11:44+0700\n"
+"PO-Revision-Date: 2024-10-30 02:15+0700\n"
 "Last-Translator: PPsyrius <ppsyrius@ppsyrius.dev>\n"
 "Language-Team: Holidays localization team\n"
 "Language: uk\n"
@@ -120,3 +120,7 @@ msgstr "Внебовзяття Пресвятої Діви Марії"
 #. World Children's Day.
 msgid "Weltkindertag"
 msgstr "Всесвітній день дітей"
+
+#. 75th anniversary of the East German uprising of 1953.
+msgid "75. Jahrestag des Aufstandes vom 17. Juni 1953"
+msgstr "75-та річниця Повстання 1953 у Східній Німеччині"
diff --git a/snapshots/countries/DE_BE.json b/snapshots/countries/DE_BE.json
index fec5b8d1..cd896410 100644
--- a/snapshots/countries/DE_BE.json
+++ b/snapshots/countries/DE_BE.json
@@ -358,6 +358,7 @@
     "2028-05-01": "Labor Day",
     "2028-05-25": "Ascension Day",
     "2028-06-05": "Whit Monday",
+    "2028-06-17": "75th anniversary of the East German uprising of 1953",
     "2028-10-03": "German Unity Day",
     "2028-12-25": "Christmas Day",
     "2028-12-26": "Second Day of Christmas",


Test patch:
diff --git a/tests/countries/test_germany.py b/tests/countries/test_germany.py
index e35b3d5a..f284792b 100644
--- a/tests/countries/test_germany.py
+++ b/tests/countries/test_germany.py
@@ -206,6 +206,15 @@ class TestDE(CommonCountryTests, TestCase):
         for subdiv in subdivs_that_dont:
             self.assertNoHoliday(self.subdiv_holidays[subdiv], "2025-05-08")
 
+    def test_75_jahrestag_des_aufstandes_vom_17_juni_1953(self):
+        subdivs_that_have = {"BE"}
+        subdivs_that_dont = set(DE.subdivisions) - subdivs_that_have
+
+        for subdiv in subdivs_that_have:
+            self.assertHoliday(self.subdiv_holidays[subdiv], "2028-06-17")
+        for subdiv in subdivs_that_dont:
+            self.assertNoHoliday(self.subdiv_holidays[subdiv], "2028-06-17")
+
     def test_christi_himmelfahrt(self):
         known_good = (
             "2014-05-29",