Holidays and Observances
Alphabetical Listing of Holidays

Below, you can find a Holidays and Observances Alphabetical Listing (Page 1) of US Holidays and World Holidays and Observances. Page 1 includes Holidays starting with A.  Originally we had our Alphabetical Listing on two pages, but with over 4,000 Holidays and Observances, we finally had to break the pages down by letter. We are still adding names to the list, so more information will be coming. 

After we complete the summary pages on the site, we will start working on a detailed page(s) for each Holidays and Observance. Once a page is completed for each Holiday or Observance, it will be linked up below, as well as it's related Daily Holidays page. (that should keep us busy for the next 20 years or so!!)

Adopt a Dog!

Adopt a Dog Month and Adopt a Shelter Dog Month are both observed in the Month of October! This beauty is Leedo who was found in an alley, alone and hungry and terrified of everything and everyone, especially men. Rescued by my daughter!


Holidays and Observances Alphabetical Listing - Letter A

Search for Holidays Alphabetically:

A, B, C, D, E, F, G, H, I, J, K, L, M, N, N-Pg2 O, P, Q, R, S, T, U, V, W, X-Y-Z


A

  • 4/20 Day - April 20 (also known as National Pot Smokers Day or National Weed Day)
  • 4-H Week - October 5-11, 2025 (First Full Week in October)
  • AAPI Women's Equal Pay Day - April 3, 2024 (2025 TBA)
  • Absolutely Incredible Kid Day - March 20, 2025 (Third Thursday in March)
  • Abused Women's and Children's Awareness Day - June 8, 2025 (Second Sunday in June)
  • Academy Awards Month - March
  • Academy Awards Ceremony - March 2, 2025 
  • Accelerate ACL Awareness Among Young Women Day - April 5
  • Ace Week (was Asexuality Week) - October 19-25, 2025
  • Act Happy Day - March 17, 2025 (Third Monday in March)
  • Act Happy Week - March 17-23, 2025 (Starts on Third Monday in March)
  • Active Aging Week - October 6-12, 2025 (Last Full Week of September, or the first week of October to coincide with the International Day of Older Persons on October 1)
  • Ada Lovelace Day - October 14, 2025 (Second Tuesday of October)
  • Addiction Awareness Month - November
  • Administrative Professional's Day - April 23, 2025 (The Wednesday of the last full week of April)
  • Administrative Professional's Week - April 20-26, 2025 (Last Week of April)
  • Admit You're Happy Month - August 
  • Adopt a Cat Month - June
  • Adopt a Dog Month - October
  • Adopt a Ferret Month - April
  • Adopt a Less Adoptable Pet Week - September 14-20, 2025 (Last Full Week in September)
  • Adopt a Rescued Bird Month - January
  • Adopt a Rescued Guinea Pig Month - March
  • Adopt a Rescued Rabbit Month - Month of February and July
  • Adopt a Senior Pet Month - November
  • Adopt a Shelter Cat Month - June
  • Adopt a Shelter Dog Month - October
  • Adopt a Turkey Month - November
  • Advent - November 30 - December 24, 2025
  • Advent Sunday - November 30, 2025 (Fourth Sunday Prior to Christmas Day)
  • African-American Coaches Day - February 4, 2025 (First Tuesday in February)
  • African-American History Month - February
  • African-American Music Appreciation Month - June
  • African Heritage & Health Week - February 1-7
  • African Liberation Day - May 25
  • Ag Day, Celebrating Our Bountiful Food Supply - March 15
  • Agent Orange Awareness Month - October
  • AIDS Awareness Month, PPSI - November
  • Air Conditioning Appreciation Days - July 3 - August 15
  • Air Conditioning Appreciation Month - July
  • Air Quality Awareness Week - May 5-9, 2025
  • AKC National Agility Championship - March 13-16, 2025
  • AKC National Championship - December 13-14, 2025
  • AKC Responsible Dog Ownership Month - September
  • Alabama Day - December 14 (Alabama was admitted to the Union as the 22nd State on December 14, 1819)
  • Albuquerque International Balloon Fiesta - October 4-12, 2025
  • Alcohol Awareness Month - April
  • Alcoholics Anonymous (Founders Day) - June 10
  • Alcohol & Other Drug-Related Birth Defects Week - May 4-10, 2025 (First Full Week in May)
  • Alexander Graham Bell Day - March 7
  • Alice in Wonderland Day - July 4
  • All American Breakfast Month - September
  • Alopecia Month for Women - July
  • Alphabet Magnet Day - May 9
  • Alport Syndrome Awareness Month - March
  • Alzheimer's Awareness Month - November
  • Alzheimer's & Brain Awareness Month - June
  • Alzheimer's Disease and Dementia Staff Education Week - February 14-21
  • Amateur Radio Military Appreciation Day (ARMAD) - May 24, 2025 (Saturday of Memorial Day Weekend)
  • Amateur Radio Week - June 23-29, 2025 (7 days ending with Field Day)
  • AMD / Low Vision Awareness Month - February
  • Amelia Earhart Day - July 24 which is her birthday
  • America on the Move - Month of Action - September
  • America Recycles Month - November
  • America Saves Week - April 7-11, 2025
  • America the Beautiful Week - June 1-7, 2025 (First Full Week of June)
  • American Adventures Month - August
  • American Artists Appreciation Month - August
  • American Association For the Advancement of Science Week  - February 13-15, 2025
  • American Beer Week - Second Week of October
  • American Camp Week - February 18-21, 2025
  • American Cheese Month - May and October
  • American Chocolate Week - March 16-22, 2025 (Third Week of March)
  • American Council on Education - February 12-13, 2025
  • American Craft Beer Week - May 12-18, 2025 (Fourth Week in May)
  • American Crossword Puzzle Week - March 31 - April 2, 2025
  • American Diabetes Alert Month - March
  • American Diabetes Association Alert Day - March 25, 2025 (Fourth Tuesday in March)
  • American Diabetes Month - November
  • American Education Week - November 17-21, 2025 (Third M-F week of November)
  • American Family Day - August 3, 2025 (First Sunday in August)
  • American Heart Month - February
  • American History Essay Contest Month - August
  • American History Month - February
  • American Immigration Lawyers Association Day of Action - January 28, 2025
  • American Indian Citizenship Day - June 2
  • American Indian Day - May 10, 2025 (Second Saturday in May)
  • American Indian Heritage Month - Month of August and November
  • American Magazine Month - October
  • American Massage Therapy Week - October 19-25, 2025
  • American Pharmacists Month - October
  • American Quilters Society Week - April 23-26, 2025
  • American Red Cross Founder's Day - May 21
  • American Red Cross Giving Day - March 26, 2025 (Fourth Wednesday in March)
  • American Red Cross Month - March
  • American Sand Sculpting Competition - November 20-24, 2025
  • American Wetlands Month - May
  • Americans with Disabilities Day - July 26
  • America's Cup (Finals) - 2025 TBA
  • America's Cup (Louis Vuitton Cup) - 2025 TBA
  • America's Kids Day - June 22, 2025 (Fourth Sunday of June)
  • Amnesty International Day - May 28
  • Animal Cruelty / Human Violence Awareness Week - April 20-26, 2025 (Third Full Week in April)
  • Animal Pain Awareness Month - September
  • Animal Rights Awareness Week - June 15-21, 2025 (Mid Week of June)
  • Animal Welfare Week - October 5-11, 2025 (First Full Week of October)
  • Anime Expo - July 3-6, 2025
  • Ann & Samantha Day - June 20, 2025 and December 21, 2025 (Day of the Summer and Winter Solstice) 
  • Anne Hutchinson Memorial Day - July 20, 2025 (On a Sunday either before or after her birthday on 7/20)
  • Anniversary of the Army Chaplain Corps - July 29
  • Annoy Squidward Day - February 15 (Sponge Bob Square Pants)
  • Anti Boredom Month - July
  • Anti-Bullying Day - May 4
  • Antidepressant Death Awareness Month - October
  • Antiphospholipid Antibody Syndrome Awareness Month - June
  • Antiterrorism Awareness Month - August
  • APAWS International Pooper Scooper Week - April 1-7
  • Aphasia Awareness Week - Second Week of June
  • Apple and Apricots Month - January
  • Apple Month - September
  • Appreciate Your Social Security Check Day - January 31
  • Aquarium Month - June
  • Arab American Heritage Month - April
  • Armed Forces Day - May 17, 2025 (Third Saturday in May)
  • Armed Forces Day Military-Amateur Crossband Communications Day - May 10, 2025
  • Armed Forces Unification Day - July 26
  • Armed Forces Week - May 10-17, 2025 (Second Saturday through Third Sunday in May)
  • Armenian Appreciation Day - April 3
  • Armenian Genocide Remembrance Day - April 24
  • Army Chaplain Corps Anniversary - July 29
  • ARRL (American Radio Relay League) Field Day - June 28-29, 2025 (Fourth Full Weekend in June)
  • ARRR-Gust: International Pirate Month - August
  • Arson Awareness Week - May 4-10, 2025 (First Full Week in May)
  • Arthritis Awareness Month - May
  • Artichoke and Asparagus Month - January
  • Ascension Day (of Jesus) - May 29, 2025 (40th Day of Easter)
  • Ascension of Baja'u'Llah - Evening of May 28 to Evening of May 29, 2025
  • Ash Wednesday - March 5, 2025 (movable date - First Day of Lent)
  • Ashura - Evening of July 5 to Evening of July 6, 2025
  • Asian-American and Pacific Islander Heritage Month - May
  • Asiatic Fleet Memorial Day - March 1
  • Ask A Stupid Question Day - September 30, 2025 (Last School Day of September)
  • ASPCA Day (American Society for the Prevention of Cruelty to Animals) - April 10
  • Assistance Dog Day - August 4, 2025 (Monday of International Assistance Dog Week)
  • Assumption of the Blessed Virgin Mary - August 15 (Catholic)
  • Asthma Awareness Month - May
  • Astronomy Day (Spring) - May 3, 2025 (A Saturday from mid-April to mid May, on or before 1st quarter moon)
  • Astronomy Week (Fall) - September 16-22, 2024 (2025 TBD)
  • Astronomy Week (Spring) - April 14-20, 2024 (2025 TBD)
  • Atlantic Hurricane Season Starts - June 1
  • Attention Deficit Hyperactivity Disorder Month - September
  • Auctioneers Day - April 19, 2025 (Third Saturday of April)
  • Audiobook Appreciation Month - June
  • Aunties Day - July 27, 2025 (Fourth Sunday in July)
  • Aunt's Day - September 6, 2025 (First Saturday After Labor Day)
  • Autism Awareness Month - April
  • Autism Sunday - also known as International Day of Prayer for Autism and Asperger's Syndrome - February 9, 2025 (Second Sunday in February)
  • Aviation History Month - November
  • Aviation Maintenance Technician Day - May 24
  • Avocado and Banana Month - February
  • Awareness of Medical Orphans Month - May


Search for Holidays Alphabetically:

A, B, C, D, E, F, G, H, I, J, K, L, M, N, N-Pg2 O, P, Q, R, S, T, U, V, W, X-Y-Z


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