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Maple leaf in October.

October is the tenth month of the year in the Julian and Gregorian Calendars and the sixth of seven months to have a length of 31 days. The eighth month in the old Roman calendar, October retained its name (from the Latin ôctō meaning "eight") after January and February were inserted into the calendar that had originally been created by the Romans. In Ancient Rome, one of three Mundus patet would take place on October 5, Meditrinalia October 11, Augustalia on October 12, October Horse on October 15, and Armilustrium on October 19. These dates do not correspond to the modern Gregorian calendar. Among the Anglo-Saxons, it was known as Ƿinterfylleþ, because at this full moon (fylleþ) winter was supposed to begin.[1]

October is commonly associated with the season of autumn in the Northern hemisphere and with spring in the Southern hemisphere.

October symbols[edit]

October observances[edit]

This list does not necessarily imply either official status or general observance.

Non-Gregorian observances: 2018 dates[edit]

(Please note that all Baha'i, Islamic, and Jewish observances begin at sundown prior to the date listed, and end at sundown of the date in question unless otherwise noted.)

Month-long observances[edit]

United Kingdom[edit]

United States[edit]

The last two to three weeks in October (and, occasionally, the first week of November) are the only time of the year during which each of the "Big Four" major North American professional sports leagues schedule games; the National Basketball Association begins its preseason and about two weeks later starts the regular season, the National Hockey League is about one month into its regular season, the National Football League is about halfway through its regular season, and Major League Baseball is in its postseason with the League Championship Series and World Series. There have been 19 occasions in which all four leagues have played games on the same day (an occurrence popularly termed a "sports equinox"), with the most recent of these taking place on October 28, 2018.[9] Additionally, the Canadian Football League is typically nearing the end of its regular season during this period, while Major League Soccer is beginning the MLS Cup Playoffs.

United States, Health-related[edit]
United States, Culinary[edit]

Movable observances, 2018 dates[edit]

First Monday: October 1[edit]

First Tuesday: October 2[edit]

First Wednesday: October 3[edit]

First Thursday: October 4[edit]

First Friday: October 5[edit]

First Full Week: October 7-13[edit]

First Sunday: October 7[edit]

Week of October 9: October 7-13[edit]

Week of October 10: October 7-13[edit]

Second Monday: October 8[edit]

Second Wednesday: October 10[edit]

Second Thursday: October 11[edit]

Second Friday: October 12[edit]

Second Saturday: October 13[edit]

Second Sunday: October 14[edit]

Third Monday: October 15[edit]

Wednesday of second full week in October: October 17[edit]

Third Thursday: October 18[edit]

Third Saturday: October 20[edit]

Week of Fourth Wednesday: October 21-27[edit]

Third Sunday: October 21[edit]

Second to last Sunday: October 21[edit]

Fourth Monday: October 22[edit]

Fourth Wednesday: October 24[edit]

Last Friday: October 26[edit]

Fourth Saturday: October 27[edit]

Saturday closest to October 26: October 27[edit]

Last Sunday: October 28[edit]

Last Monday: October 29[edit]

Fixed observances[edit]

A shop in Derry decorated for Halloween
Halloween pumpkins


External links[edit]

  1. ^ Wikisource Chisholm, Hugh, ed. (1911). "October". Encyclopædia Britannica (11th ed.). Cambridge University Press.
  2. ^ "Gemstone Leaflet" (PDF). Jewelers of America. Archived from the original (PDF) on 2012-02-22. Retrieved Jan 22, 2012.
  3. ^ SHG Resources. "Birth Months, Flowers, and Gemstones". SHG Resources. Retrieved 2011-11-01.
  4. ^ "CATHOLIC ENCYCLOPEDIA: Special Devotions For Months". Newadvent.org. Retrieved 2012-10-24.
  5. ^ "Health Literacy Month – Finding the Right Words for Better Health". www.healthliteracymonth.org.
  6. ^ "SDMS Medical Ultrasound Awareness Month". www.sdms.org.
  7. ^ "Home - Rettsyndrome.org". www.rettsyndrome.org.
  8. ^ [1] Archived February 8, 2007, at the Wayback Machine.
  9. ^ Bushnell, Henry (October 27, 2018). "Dodgers' World Series win ensures Game 5 ... and a historic 'Sports Equinox'". Yahoo Sports. Retrieved October 27, 2018.
  10. ^ "American Archives Month". National Archives. 2017-06-22. Retrieved 2018-09-25.
  11. ^ "October is Adopt a Shelter Dog Month". ASPCA. Retrieved 2014-10-17.
  12. ^ http://www.staysafeonline.info/content/about-ncsam Archived October 5, 2009, at the Wayback Machine.
  13. ^ "American Pharmacists Month 2011". Pharmacist.com. Retrieved 2011-11-01.
  14. ^ "Little People of America".
  15. ^ "Eczema Awareness Month – National Eczema Association". National Eczema Association.
  16. ^ "ADHA – October is National Dental Hygiene Month". Adha.org. Retrieved 2011-11-01.
  17. ^ "Healthy Lung Month – Lung problems". 5 October 2012.
  18. ^ "Observing Infertility Awareness Month". Library.adoption.com. Retrieved 2011-11-01.
  19. ^ "Liver Awareness Month". www.liverfoundation.org.
  20. ^ [2] Archived November 21, 2007, at the Wayback Machine.
  21. ^ APTA | National Physical Therapy Month Archived January 5, 2009, at the Wayback Machine.
  22. ^ "Spina Bifida Association – Spina Bifida Association". Sbaa.org. Retrieved 2011-11-01.
  23. ^ "October is SIDS Awareness Month". www.nichd.nih.gov.
  24. ^ "National Pizza Month". Pizza.com. Retrieved 2012-10-24.
  25. ^ "Popcorn Poppin' Month". Popcorn.org. Retrieved 2012-10-24.
  26. ^ "October is National Pork Month". ThePigSite. 2007-10-02.
  27. ^ "NOAA Fisheries Celebrates National Seafood Month". NOAA.gov. 2017-10-01. Retrieved 2017-10-09.
  28. ^ "About Walk to School Day : Walk & Bike to School". Walkbiketoschool.org. Retrieved 21 October 2017.
  29. ^ "World Ballet Day homepage". worldballetday.com. Retrieved 11 September 2018.
  30. ^ http://worldcollegeradioday.com/
  31. ^ http://worldcpday.org/
  32. ^ http://findingada.com/about/when-is-ald/
  33. ^ "National Astronomy Day 2018".
  34. ^ http://www.earthsciweek.org/about-esw
  35. ^ http://www.aba.com/Engagement/pages/getsmartaboutcredit.aspx#
  36. ^ http://www.facebook.com/aceawareness/
  37. ^ "Diversity – UMUC". www.umuc.edu.