some new features
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ilgazca
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# holidays
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# --------
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# A fast, efficient Python library for generating country, province and state
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# specific sets of holidays on the fly. It aims to make determining whether a
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# specific date is a holiday as fast and flexible as possible.
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#
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# Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
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# dr-prodigy <dr.prodigy.github@gmail.com> (c) 2017-2023
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# ryanss <ryanssdev@icloud.com> (c) 2014-2017
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# Website: https://github.com/vacanza/holidays
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# License: MIT (see LICENSE file)
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from gettext import gettext as tr
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from typing import Union
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from holidays.calendars.gregorian import APR, MAY, JUN, JUL, SEP, DEC
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from holidays.groups import ChristianHolidays, InternationalHolidays, StaticHolidays
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from holidays.observed_holiday_base import (
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ObservedHolidayBase,
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MON_TO_NEXT_TUE,
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SAT_SUN_TO_NEXT_MON,
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SAT_SUN_TO_NEXT_MON_TUE,
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)
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class UnitedKingdom(ObservedHolidayBase, ChristianHolidays, InternationalHolidays, StaticHolidays):
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"""United Kingdom holidays.
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References:
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* <https://en.wikipedia.org/wiki/Public_holidays_in_the_United_Kingdom>
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* <https://archive.org/details/treatiseonbanki00walk/page/334/mode/2up>
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* <https://web.archive.org/web/20250426173714/https://www.gov.uk/bank-holidays>
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* <https://web.archive.org/web/20250423223001/https://www.timeanddate.com/holidays/uk>
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The Anniversary of the Battle of the Boyne bank holiday is proclaimed annually by the
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Secretary of State for Northern Ireland.
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In-Lieu observance was first provided in the Bank Holidays Extension Act 1875.
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"""
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country = "GB"
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default_language = "en_GB"
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# %s (observed).
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observed_label = tr("%s (observed)")
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subdivisions: Union[tuple[()], tuple[str, ...]] = (
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"ENG", # England
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"NIR", # Northern Ireland
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"SCT", # Scotland
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"WLS", # Wales
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)
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subdivisions_aliases = {
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"England": "ENG",
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"Northern Ireland": "NIR",
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"Scotland": "SCT",
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"Wales": "WLS",
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}
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supported_languages = ("en_GB", "en_US", "th")
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_deprecated_subdivisions = ("UK",)
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# Bank Holidays Act 1871
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start_year = 1872
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def __init__(self, *args, **kwargs):
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ChristianHolidays.__init__(self)
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InternationalHolidays.__init__(self)
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StaticHolidays.__init__(self, UnitedKingdomStaticHolidays)
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kwargs.setdefault("observed_rule", SAT_SUN_TO_NEXT_MON)
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# Bank Holidays Extension Act 1875
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kwargs.setdefault("observed_since", 1875)
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super().__init__(*args, **kwargs)
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def _populate_public_holidays(self) -> None:
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# Good Friday.
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self._add_good_friday(tr("Good Friday"))
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if self._year >= 1978:
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# May Day.
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name = tr("May Day")
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if self._year in {1995, 2020}:
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self._add_holiday_may_8(name)
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else:
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self._add_holiday_1st_mon_of_may(name)
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if self._year >= 1971:
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spring_bank_dates = {
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2002: (JUN, 4),
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2012: (JUN, 4),
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2022: (JUN, 2),
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}
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# Spring Bank Holiday.
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name = tr("Spring Bank Holiday")
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if dt := spring_bank_dates.get(self._year):
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self._add_holiday(name, dt)
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else:
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self._add_holiday_last_mon_of_may(name)
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def _populate_subdiv_holidays(self):
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if self.subdiv != "SCT":
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if self._year >= 1975:
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# New Year's Day.
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self._add_observed(self._add_new_years_day(tr("New Year's Day")))
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self._add_observed(
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# Christmas Day.
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self._add_christmas_day(tr("Christmas Day")),
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rule=SAT_SUN_TO_NEXT_MON_TUE,
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)
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self._add_observed(
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# Boxing Day.
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self._add_christmas_day_two(tr("Boxing Day")),
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rule=SAT_SUN_TO_NEXT_MON_TUE,
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)
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super()._populate_subdiv_holidays()
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def _populate_subdiv_eng_public_holidays(self):
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# Easter Monday.
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self._add_easter_monday(tr("Easter Monday"))
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if self._year <= 1970:
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# Whit Monday.
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self._add_whit_monday(tr("Whit Monday"))
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if self._year >= 1971:
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# Late Summer Bank Holiday.
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self._add_holiday_last_mon_of_aug(tr("Late Summer Bank Holiday"))
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def _populate_subdiv_nir_public_holidays(self):
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if self._year >= 1903:
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# Saint Patrick's Day.
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self._add_observed(self._add_holiday_mar_17(tr("Saint Patrick's Day")))
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# Easter Monday.
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self._add_easter_monday(tr("Easter Monday"))
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if self._year <= 1970:
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# Whit Monday.
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self._add_whit_monday(tr("Whit Monday"))
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# Battle of the Boyne.
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self._add_observed(self._add_holiday_jul_12(tr("Battle of the Boyne")))
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if self._year >= 1971:
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# Late Summer Bank Holiday.
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self._add_holiday_last_mon_of_aug(tr("Late Summer Bank Holiday"))
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def _populate_subdiv_sct_public_holidays(self):
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# New Year's Day.
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jan_1 = self._add_new_years_day(tr("New Year's Day"))
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self._add_observed(
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# New Year Holiday.
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self._add_new_years_day_two(tr("New Year Holiday")),
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rule=SAT_SUN_TO_NEXT_MON_TUE + MON_TO_NEXT_TUE,
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)
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self._add_observed(jan_1)
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# Summer Bank Holiday.
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self._add_holiday_1st_mon_of_aug(tr("Summer Bank Holiday"))
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if self._year >= 2006:
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# Saint Andrew's Day.
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self._add_observed(self._add_holiday_nov_30(tr("Saint Andrew's Day")))
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self._add_observed(
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# Christmas Day.
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self._add_christmas_day(tr("Christmas Day")),
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rule=SAT_SUN_TO_NEXT_MON_TUE if self._year >= 1974 else SAT_SUN_TO_NEXT_MON,
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)
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if self._year >= 1974:
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self._add_observed(
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# Boxing Day.
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self._add_christmas_day_two(tr("Boxing Day")),
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rule=SAT_SUN_TO_NEXT_MON_TUE,
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)
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def _populate_subdiv_wls_public_holidays(self):
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# Easter Monday.
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self._add_easter_monday(tr("Easter Monday"))
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if self._year <= 1970:
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# Whit Monday.
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self._add_whit_monday(tr("Whit Monday"))
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if self._year >= 1971:
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# Late Summer Bank Holiday.
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self._add_holiday_last_mon_of_aug(tr("Late Summer Bank Holiday"))
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class UK(UnitedKingdom):
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pass
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class GB(UnitedKingdom):
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pass
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class GBR(UnitedKingdom):
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pass
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class UnitedKingdomStaticHolidays:
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special_public_holidays = {
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# Silver Jubilee of Elizabeth II.
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1977: (JUN, 7, tr("Silver Jubilee of Elizabeth II")),
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# Wedding of Charles and Diana.
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1981: (JUL, 29, tr("Wedding of Charles and Diana")),
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# Millennium Celebrations.
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1999: (DEC, 31, tr("Millennium Celebrations")),
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# Golden Jubilee of Elizabeth II.
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2002: (JUN, 3, tr("Golden Jubilee of Elizabeth II")),
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# Wedding of William and Catherine.
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2011: (APR, 29, tr("Wedding of William and Catherine")),
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# Diamond Jubilee of Elizabeth II.
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2012: (JUN, 5, tr("Diamond Jubilee of Elizabeth II")),
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2022: (
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# Platinum Jubilee of Elizabeth II.
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(JUN, 3, tr("Platinum Jubilee of Elizabeth II")),
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# State Funeral of Queen Elizabeth II.
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(SEP, 19, tr("State Funeral of Queen Elizabeth II")),
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),
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# Coronation of Charles III.
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2023: (MAY, 8, tr("Coronation of Charles III")),
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}
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