October

For other uses, see October (disambiguation).

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October is the tenth month of the year in the Gregorian Calendar and one of seven Gregorian months with a length of 31 days. The eighth month in the old Roman calendar, October retained its name (from the Greek "octo" meaning "eight") when January and February were added.

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 Southern 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 events and holidays

October, from the Très Riches Heures du Duc de Berry.

A shop in Derry decorated for Halloween

• Children's Book Week (England) - First Week of October
• National Day (China, People's Republic of) -October 1
• Independence Day in the Republic Of Cyprus October 1
• Independence Day in Nigeria- October 1
• International Day of Non-Violence - October 2
• German Unity Day (Germany) - October 3
• Proclamation of Portuguese Republic (Portugal) - October 5
• International World Teachers' day - October 5
• Independence day in Nigeria - October 6
• Independence day in Croatia - October 8
• 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
• World Food Day - October 16
• 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
• Independence Day in St. Vincent & the Grenadines - October 27
• Independence Day in Turkmenistan - October 27
• Navy Day (United States) - October 27
• Independence Day in Greece October 28
• Republic Day in Turkey October 29
• Halloween - 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)
• National Arts & Humanities Month (in United States)
• MLB postseason

Cultural celebrations

• National Hispanic Heritage Month (September 15 to October 15 in United States)
• Italian American Heritage Month: Italian Heritage and Culture Month
• Polish American Heritage Month

Health observances

• Celiac Sprue Awareness Month
• Domestic Violence Awareness Month
• Health Literacy Month [5]*
• Healthy Lung Month
• National Breast Cancer Awareness Month (in United States and Canada)
• National Dental Hygiene Month (in United States)
• National Down Syndrome Awareness Month (in United States)
• National Infertility Awareness Month (in United States)
• National Lupus Erythematosus Awareness Month (in United States)
• National Orthodontic Health Month (in United States)
• National Physical Therapy Month (in United States)
• National Spina Bifida Awareness Month (in United States)
• National Spinal Health Month (in United States)
• Rett Syndrome Awareness Month (in United States)
• Sudden Infant Death Syndrome (SIDS) Awareness Month (in United States) [6]
• World Blindness Awareness Month
• National Pharmacist Month
• National Rollerskating Month

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.
• In the nineteenth century, the month of October was dedicated to the devotion of the rosary in Roman Catholic countries.