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Welcome to the Holidays Wiki! The United States has many important holidays, including Martin Luther King Jr. Day, Mother's Day, and Father's Day. This wiki's purpose is to show information about such holidays. Pre-American Julian and Gregorian years are also included on this wiki.

Recent milestones

The full history of major milestones could be found at Holidays:History. Below shows only the most recent 10 milestones.

  • Saturday, August 12, 2023: The {{Year nav}} template started to show tooltips on all year pages.
  • Tuesday, December 19, 2023: Millennium pages started to be created.
  • Monday, January 8, 2024: Pages for the months of the year (January to December) started to be created.
  • Wednesday, January 17, 2024: Extension of future year pages by another 6 millennia to the year 10000 has been completed.
  • Saturday, January 20, 2024: Year pages (other than 1582) started to transclude the {{Holidays list}} template instead of the {{Box}} template.
  • Wednesday, January 31, 2024: Holiday pages started to show dates that are skipped due to leap years.
  • Friday, February 16, 2024: The older versions of superseded holiday templates have been history merged into the newer versions.
  • Wednesday, February 21, 2024: Templates with en dashes started to have redirects from the corresponding titles with hyphens.
  • Friday, March 1, 2024: Tooltip templates for each day of the week started to be created.
  • Wednesday, March 13, 2024: The Common year and Leap year pages started to show methods for finding the next repeating calendar year.

Types of pages

Six types of pages are included on this wiki:

Rules

For pages about holidays, the holiday's description is shown along with tables showing the holiday's date in various years in the past (2023 and earlier), present (2024), and future (2025 and later). If the holiday occurs in the current year, then a monthly calendar linking to the other holidays in the same month will also be shown.

For pages about years, the year's calendar is shown, along with holidays, what day of the week the year starts and ends on, and links to the preceding and following years. If there is anything special about the year, or an event that is known to occur or have occurred during the year, then those will also be shown in the lead.

For pages about centuries, the century's starting and ending dates are shown, along with the number of days in the century, a table showing links to all the years in the century, and links to the preceding and following centuries.

For pages about millennia, the millennium's starting and ending dates are shown, along with the number of days in the millennium, a table showing links to all the centuries in the millennium, and links to the preceding and following millennia.

For pages about calendar concepts, the concept is explained with a description, some examples, and possibly some other information.

For pages about the months of the year, the month's ordinal position is shown along with the number of days in the month and a calendar.

It is assumed that the current holidays would continue to exist indefinitely into the future. If a source shows that a holiday would no longer exist in a future year, then the page about that holiday would be modified to show that it ceases to exist, and links to that holiday would then be removed from pages about that year and all following years. Also, if a source shows that a new holiday has been created, then a new page about that holiday would be created, and links to that holiday would then be added to pages about the holiday's creation year and all following years. Finally, if a source shows that a holiday would be renamed, then the page about that holiday would be moved to the new name and then modified to show both the old and the new names, and pages about the year that the rename would take effect and all following years would then be modified to link to the new name instead. Previous years would continue to link to the old name, which would become a redirect to the new one.

Years in the far future (up to the year 10000) are included on this wiki for theoretical reasons only. There is no guarantee that the current calendar, holidays, or even the United States would still be around by then.

The Gregorian calendar (with its current leap year rules) is assumed to be used for all years from 1583 to 10000. Any proposed future reforms (e.g. by making years divisible by 4000 not leap years) are ignored. In particular, the years 4000 and 8000 (which are divisible by 4000) are treated as leap years.

This wiki is a U.S.-centric wiki. This means that holidays celebrated in other countries will not be included on this wiki.

Please be collaborative, and do not post copyrighted material without permission.