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October (pronunciation) (helpinfo) is the tenth month of the year in the Julian and Gregorian Calendars and one of seven months with a length of 31 days. The eighth month in the old Roman calendar October retained its name (from the Latin "octo" meaning "eight") after July and August named after Julius and Augustus Caesar respectively were inserted into the calendar that had originally been created by the Romans.

October is commonly associated with the season of autumn in the Northern hemisphere and spring in the Southern hemisphere where it is the seasonal equivalent to April in the Northern hemisphere and vice versa.

In common years January starts on the same day of the week as October but no other month starts on the same day of the week as October in leap years. October ends on the same day of the week as February every year and January in common years only. Contents 1 October events and holidays 2 Month-long observances 2.1 Cultural celebrations 2.2 Health observances 3 Miscellaneous 4 October symbols 5 References 6 External links October events and holidays October from the Trs Riches Heures du Duc de Berry A shop in Derry decorated for Halloween National Fire Prevention Week - October 39 Children's Book Week (England) First Week of October National Day (China People's Republic of) October 1 Dashain in Nepal Independence Day in the Republic Of Cyprus October 1 Independence Day in Nigeria October 1 International Day of Non-Violence October 21 German Unity Day (Germany) October 3 Proclamation of Portuguese Republic (Portugal) October 5 International World Teachers' day October 5 Armed Forces Day in Egypt commemorating the Yom Kippur War October 6 Independence day in Croatia October 8 Leif Erikson Day - October 9 Freethought Day October 12 National Day of Spain October 12 (Discovery of America) Thanksgiving (Canada) Second Monday of October Health and Sports Day (Japan) Second Monday of October Columbus Day (Most of United States) Second Monday of October Pregnancy and Infant Loss Remembrance Day - October 15 World Food Day October 16 Alaska Day - October 18 Constitution Day in Niue October 19 Apple Day October 21 Remembering the Hungarian Revolution of 1956 October 23 United Nations Day October 24 Day of the Romanian Army October 25 National Day of Austria - October 26 Independence Day in St. Vincent & the Grenadines October 27 Independence Day in Turkmenistan October 27 Navy Day (United States) October 27 Ochi Day (No Day) in Greece October 28 Republic Day in Turkey October 29 Reformation Day in Slovenia - October 31 Halloween Samhain October 31

More events are listed on the individual dates of the calendar on this page. Month-long observances Filipino American History Month (in United States) Black History Month (in United Kingdom) National Arts & Humanities Month (in United States) Domestic Violence Awareness Month Breast Cancer Awareness Month Lesbian Gay Bisexual Transgender History Month (LGBT History Month) (in United States) National Cyber Security Awareness Month (in United States)2 Fair Trade Month3 Dwarfism Awareness Month Cultural celebrations German American Heritage Month (September 15 to October 15 in the United States)4 National Hispanic Heritage Month (September 15 to October 15 in the United States) Italian American Heritage Month: Italian Heritage and Culture Month 5 Polish American Heritage Month6 Health observances Celiac Sprue Awareness Month7 Health Literacy Month 1* Healthy Lung Month8 National Breast Cancer Awareness Month (in United States9 and Canada) National Dental Hygiene Month (in United States)10 National Down Syndrome Awareness Month (in United States)11 National Infertility Awareness Month (in United States)12 National Domestic Violence Awareness Month (in United States)13 National Lupus Erythematosus Awareness Month (in United States)14 National Physical Therapy Month (in United States)15 National Spina Bifida Awareness Month (in United States)16 Rett Syndrome Awareness Month (in United States)17 Sudden Infant Death Syndrome (SIDS) Awareness Month (in United States) 2 World Blindness Awareness Month18 American Pharmacist Month 19 Medical Ultrasound Awareness Month 20 3D Ultrasound Awareness Month 21 Miscellaneous The month October has become famous as "Red October" due to the Russian October revolution of 1917 although in the modern Gregorian calendar the revolution started in November.22 The last week in October is the only time of the year when all four major North American Sports league schedule games - the NBA generally starts in that last week while the MLB postseason is just ending. In the 19th century the month of October was dedicated to the devotion of the rosary in Roman Catholic countries.citation needed Slavs call it "yellow month" from the fading of the leaf; to the Anglo-Saxons it was known as Winterfylleth because at this full moon (fylleth) winter was supposed to begin.23 Eric Whitacre composed a piece based on this month titled October. Mental Illness Awareness Week Neil Gaiman wrote a story personifying the month in his collection Fragile Things entitled October in the Chair. October symbols The calendula October's birthstone is the opal. It is said that the opal will crack if it is worn by someone who was not born in October. Its birth flower is the calendula.24 The Zodiac sign for those born in this month is either Libra or Scorpio depending on which day you were born. References Chaudhury Nilova. "October 2 is global non-violence day" hindustantimes.com Hindustan Times 15 June 2007. Retrieved on 2007-06-15 http://www.staysafeonline.info/content/about-ncsam http://www.fairtrademonth.org/ http://www.ancestry.com/learn/library/article.aspxarticle1048 ancestry.com http://www.italyculturemonth.org/about.htm Italian Heritage and Culture Month http://www.polishamericancenter.org/heritmo.htm Polish American Center Celiac Awareness Month http://www.accessexcellence.org/HHQ/HRC/HF/lung2006.html "National Breast Cancer Awareness Month generating awareness". http://nbcam.org/newsroomnbcamfacts.cfm. Retrieved 2008-10-01.  ADHA October is National Dental Hygiene Month National Down Syndrome Society October is Down Syndrome Awareness Month Observing Infertility Awareness Month The Domestic Violence Awareness Month http://www.lupus.org/education/LAMmain.html APTA National Physical Therapy Month Spina Bifida Association Spina Bifida Association http://www.rettsyndrome.org/content.asppl140&sl618&contentid618 http://www.aao.org/aao/patients/eyemd/worldblindness.cfm http://www.pharmacist.com/aphm http://www.ardms.org/default.aspcontentID872 http://oakparkultrasound.com/blog/2010/10/october-is-3d-ultrasound-awareness-month "SparkNotes: The October Revolution" (timeline) SparkNotes LLC 2006 webpage: SN-5: accessed 2007-01-28.  Chisholm Hugh ed (1911). "October". Encyclopdia Britannica (Eleventh ed.). Cambridge University Press.  http://www.shgresources.com/gems/birthflowers/ External links Wikiquote has a collection of quotations related to: October Look up October in Wiktionary the free dictionary. Wikimedia Commons has media related to: October v d eMonths and days of the year January 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 February 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 March 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 April 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 May 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 June 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 July 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 August 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 September 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 October 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 November 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 December 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Related dates January 0  February 30  February 31  March 0