Holidays and Observances
Alphabetical Listing of M Holidays

Below, you can find a Holidays and Observances Alphabetical Listing of US Holidays and World Holidays and Observances that start with M.  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!!)

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


Mother's Day is on the Second Sunday in May and falls on May 8, 2016

Mother's Day is on the Second Sunday in May and falls on May 14, 2023 

M


  • Mad for Plaid Month - March
  • MADD's Tie One on for Safety Holiday Campaign - November
  • Major League Baseball All Star Game - July 11, 2023
  • Make a Book Day - May 4, 2023 (Thursday of National Family Reading Week)
  • Make a Difference Day - October 28, 2023 (Last Saturday in October)
  • Make Mine Chocolate - (Campaign kicks off annually on Feb 15, and ends on Easter which is April 9, 2023)
  • Make Up Your Own Sundae Day - July 11
  • Malignant Hyperthermia Awareness and Training Month - March
  • Malnutrition Awareness Week - September 18-22, 2023
  • Mammography Day - October 20, 2023 (Third Friday in October)
  • Manatee Appreciation Day - March 29, 2023 (Last Wednesday in March)
  • Manatee Awareness Month (State of Florida) - November 
  • Mandela Day - July 18 (also known as Nelson Mandela International Day)
  • Mango Month - June
  • Manuary - January
  • Maple Syrup Saturday - March 18, 2023 (Third Saturday of March)
  • March Equinox (First Day of Spring) - March 20, 2023
  • March Forth Do Something Day - March 4
  • March of Dimes Birth Defects Prevention Month - January
  • Marfan Syndrome Awareness Month - February
  • Mariachi Day - May 6, 2023 (First Saturday in May)
  • Marijuana Awareness Month - February
  • Marooned Without a Compass Day - November 6
  • Martin Luther King Day of Service - January 16, 2023 (Third Monday in January)
  • Martin Luther King Jr.'s Birthday - January 16, 2023 (Third Monday in January)
  • Martin Z. Mollusk Day - May 13, 2023 (First Saturday in May)
  • Martyrdom of the Bab - July 9, 2023
  • Maryland Day - March 25, 2023 (On or Around March 25 Each Year)
  • Mathematics and Statistics Awareness Month - April
  • Mathematics Education Month - April
  • Maundy Thursday - April 6, 2023 (Day before Good Friday - Takes Place During Holy Week)
  • Mawlid Al Nabi - Evening of October 26, 2023 to Evening of October 27, 2023
  • Mayday for Mutts - May 7, 2023 (First Sunday in May)
  • MCS Awareness Week or Multiple Chemical Sensitivity Awareness Week- Second Week in May
  • MCS Awareness Month - May
  • Mead Day - August 5, 2023 (First Saturday in August)
  • Meal Monday - February 13, 2023 (Second Monday in February)
  • Mechanical Pencil Day - July 5
  • Mediation Week - October 15-21, 2023 (Third Week of October)
  • Medic Alert Month - August
  • Medical Assistants Recognition Day - October 18, 2023 (Wednesday of the Third Full Week in October)
  • Medical Assistants Recognition Week - October 15-21, 2023 (Third Full Week in October)
  • Medical Laboratory Professionals Week - April 23-29, 2023
  • Medical Surgical Nurses Week - November 1-7
  • Medical Transcriptionist Week - May 14-20, 2023 (Third Week in May)
  • Medical Ultrasound Awareness Month - October
  • Medication Safety Week - April 1-7
  • Meditation Week - October 15-21, 2023 (Third Week of October)
  • Meet a Mate Week - June 12-18, 2023
  • Melanoma Monday - May 1, 2023 (First Monday in May)
  • Melanoma / Skin Cancer Detection and Prevention Month - May
  • Melon Day - August 13, 2023 (Second Sunday in August)
  • Melon Month - July
  • Memento Mori "Remember You Die" Day - January 3
  • Men's Health Education and Awareness Month - June
  • Menstrual Hygiene Day - May 28
  • Mental Health Month - May
  • Mental Illness Awareness Month - October
  • Mental Illness Wellness Week - October 1-7, 2023 (First Full Week of October)
  • Mental Retardation Awareness Month - March
  • Menudo Month - January
  • Mermaid Day - June 17, 2023 (Third Saturday in June)
  • Metal Day - November 11
  • Microtia Awareness Day - November 9
  • Middle Level Education Month - March
  • Middle Name Pride Day - March 10, 2023 (Friday of First Full Week in March)
  • Midwife's Day or Women's Day - January 8 (In Greece)
  • Milad Un Nabi - Evening of September 26 to Evening of September 27, 2023
  • Military Family Appreciation Month - November
  • Military Spouse Appreciation Day - May 12, 2023 (2nd Friday in May)
  • Million Minute Family Challenge - September
  • Minimally Invasive Surgery Week - October 4-7, 2023
  • Minority Cancer Awareness Week - Fourth Week of April
  • Minority Enterprise Development Week - August 18-24
  • Minority Tourism Month - July
  • Miss America Pageant - TBD
  • Missing Mutts Awareness Day - June 10, 2023 (Second Saturday in June)
  • Mitch Lane Day (Did a Rubiks Cube in 6.25 seconds!) - June 25
  • Mitochondrial Disease Awareness Week - September 17-23, 2023 (Third Full Week of September)
  • Mold Awareness Month - September
  • Money Smart Week - April 15-21, 2023
  • Month of Free Thought - October
  • Month of the Military Child - April
  • Month of the Young Child - April
  • Mother, Father Deaf Day - April 30, 2023 (Last Sunday in April)
  • Mother-In-Law Day - October 22, 2023 (Fourth Sunday in October)
  • Motorcycle Mass and Blessings of the Bike - May 7, 2023 (First Sunday in May)
  • Motorcycle Safety Month - May
  • Motorist Consideration Monday - August 28, 2023 (Last Monday in August)
  • Motorsports Awareness Month - August
  • Mouthguard Day - September 4, 2023 (First Monday in September)
  • Move Hollywood & Broadway to Lebanon, PA Day - February 5
  • Move More Month - April
  • Movember - November
  • MS Awareness Week - March 12-18, 2023 (Second Full Week of March)
  • Mudbug Madness Days - May 26-29, 2023 (Memorial Day Weekend)
  • Muharram (Islamic New Year) - Evening of July 18 to Evening of July 19, 2023 (First Day of First Month in the Islamic Calendar)
  • Mule Day - March 28 - April 3, 2022 (2023 TBD)
  • Mule Week - TBD
  • Multicultural American Child Awareness Day - June 11, 2023 (Second Sunday in June)
  • Multicultural Communication Month - April
  • Multicultural Diversity Day - October 16, 2023 (Third Monday in October)
  • Museum Advocacy Days - February 27-28, 2023 (Last Mon/Tues in February)
  • Museum Day - September 23, 2023 (Fourth Saturday in September)
  • Museum Lover's Day - May 5
  • Museum Selfie Day - January 18, 2023 (Third Wednesday in January)
  • Mushroom Month - August
  • Music in our Schools Month - March
  • My Bucket's Got a Hole in it Day - May 30
  • Myasthenia Gravis Awareness Month - June
  • Mystery Series Week - October 1-7, 2023 (First Full Week of October)
  • Myths & Legends Day For All Fantasy Movie, Books, and Legends Cephalopods - October 11


Holidays and Observances that begin with the letter M

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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