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 9, 2021 

M

  • Mad for Plaid Month - March
  • Mad Hatter Day - October 6
  • MADD's Tie One on for Safety Holiday Campaign - November
  • Magnum P.I. Day - December 11
  • MAGS Day - September 29
  • Maha Shivaratri (Hindu Holiday) - March 11, 2021
  • Maize Day - November 26, 2021 (Day after Thanksgiving)
  • Make a Book Day - May 6, 2021
  • Make a Difference Day - October 23, 2021 (Last Saturday in October)
  • Make a Gift Day - December 3
  • Make Cut Out Snowflakes Day - December 27
  • Make Mine Chocolate - (Campaign kicks off annually on Feb 15, and ends on Easter which is April 4, 2021)
  • Make Up Your Own Sundae Day - July 11
  • Make Your Own Head Day - November 28
  • Malignant Hyperthermia Awareness and Training Month - March
  • Malnutrition Awareness Week - October 4-8, 2021
  • Mammography Day - October 15, 2021 (Third Friday in October)
  • Manatee Appreciation Day - March 31, 2021 (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 20, 2021 (Third Saturday of March)
  • March Equinox (First Day of Spring) - March 20, 2021 (movable day)
  • March Forth Do Something Day - March 4
  • March of Dimes Birth Defects Prevention Month - January
  • Marfan Syndrome Awareness Month - February
  • Mariachi Day - May 1, 2021 (First Saturday in May)
  • Marijuana Awareness Month - February
  • Marooned Without a Compass Day - November 6
  • Married to a Scorpio Support Day - November 18
  • Martin Luther King Day of Service - January 18, 2021 (Third Monday in January)
  • Martin Luther King Jr.'s Birthday - January 18, 2021 (Third Monday in January)
  • Martin Z. Mollusk Day - May 8, 2021 (First Saturday in May)
  • Martyrdom of the Bab - July 9, 2021
  • Maryland Day - March 25, 2021 (On or Around March 25 Each Year)
  • Maryland Day Observed - March 25, 2021 (On or around March 25)
  • Math Story Telling Day - September 25
  • Mathematics and Statistics Awareness Month - April
  • Mathematics Education Month - April
  • Maundy Thursday - April 1, 2021 (Day before Good Friday - Takes Place During Holy Week)
  • Mawlid Al Nabi - Evening of October 18, 2021 to Evening of October 19, 2021
  • Mayday for Mutts - May 2, 2021 (First Sunday in May)
  • MCS Awareness Week or Multiple Chemical Sensitivity Awareness Week- Second Week in May
  • MCS Awareness Month - May
  • MDS World Awareness Day - October 25
  • Mead Day - August 7, 2021 (First Saturday in August)
  • Meal Monday - February 8, 2021 (Second Monday in February)
  • Meatloaf Appreciation Day - October 18
  • Mechanical Pencil Day - July 5
  • Mediation Week - October 18-24, 2021 (Third Week of October)
  • Medic Alert Month - August
  • Medical Assistants Recognition Day - October 20, 2021 (Wednesday of the Third Full Week in October)
  • Medical Assistants Recognition Week - October 17-23, 2021 (Third Full Week in October)
  • Medical Laboratory Professionals Week - April 24 - May 1, 2021 (Third Full Week of April)
  • Medical Surgical Nurses Week - November 1-7
  • Medical Transcriptionist Week - May 16-22, 2021 (Third Week in May)
  • Medical Ultrasound Awareness Month - October
  • Medication Safety Week - April 1-7
  • Meditation Week - October 17-23, 2021 (Third Week of October)
  • Meet a Mate Week - June 14-20, 2021
  • Melanoma Monday - May 3, 2021 (First Monday in May)
  • Melanoma / Skin Cancer Detection and Prevention Month - May
  • Melon Day - August 8, 2021 (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 3-9, 2021 (First Full Week of October)
  • Mental Retardation Awareness Month - March
  • Menudo Month - January
  • Mermaid Day - June 19, 2021 (Third Saturday in June)
  • Mesothelioma Awareness Day - September 26
  • Metal Day - November 11
  • Metric Conversion Day - December 23
  • Michaelmas - September 29
  • Mickey Mouse Day - November 18
  • Microtia Awareness Day - November 9
  • Microwave Oven Day - December 7
  • Middle Level Education Month - March
  • Middle Name Pride Day - March 12, 2021 (Friday of First Full Week in March)
  • Midwife's Day or Women's Day - January 8 (In Greece)
  • Milad Un Nabi - Evening of October 18 to Evening of October 19, 2021
  • Military Family Appreciation Month - November
  • Military Spouse Appreciation Day - May 7, 2021 (2nd Friday in May)
  • Million Minute Family Challenge - September
  • Miner's Day - December 6
  • Miniature Golf Day - September 21
  • Minimally Invasive Surgery Week - September 22-23, 29-30, 2021
  • Minority Cancer Awareness Week - Fourth Week of April
  • Minority Enterprise Development Week - August 18-24
  • Minority Tourism Month - July
  • Mischief Night - October 30
  • Miss American Rose Day - October 20
  • Missing Mutts Awareness Day - June 12, 2021 (Second Saturday in June)
  • Mitochondrial Disease Awareness Week - September 19-25, 2021 (Third Full Week of September)
  • Mitten Tree Day - December 6
  • Mold Awareness Month - September
  • Mom's Equal Pay Day - May 5, 2021
  • Money Smart Week - April 10-17, 2021
  • Monkey Day - December 14
  • Month of Free Thought - October
  • Month of the Military Child - April
  • Month of the Young Child - April
  • Morning Show Hosts Day - September 27
  • Mother, Father Deaf Day - April 25, 2021 (Last Sunday in April)
  • Mother-In-Law Day - October 24, 2021 (Fourth Sunday in October)
  • Motorcycle Mass and Blessings of the Bike - May 2, 2021 (First Sunday in May)
  • Motorcycle Safety Month - May
  • Motorist Consideration Monday - August 30, 2021 (Last Monday in August)
  • Motorsports Awareness Month - August
  • Motorsports Memorial Day - October 10
  • Mouthguard Day - September 6, 2021 (First Monday in September)
  • Move Hollywood & Broadway to Lebanon, PA Day - February 5
  • Movember - November
  • Move More Month - April
  • MS Awareness Week - March 14-20, 2021 (Second Full Week of March)
  • Mudbug Madness Days - May 28-30, 2021 (Memorial Day Weekend)
  • Mudd Day - December 20
  • Muharram (Islamic New Year) - Evening of August 9 to Evening of August 10, 2021
  • Mule Day - April 8-11, 2021 (March 28 - April 3, 2022) 
  • Mule Week - March 30 - April 5, 2020 (2021 TBD)
  • Mulligan Day - October 17
  • Multicultural American Child Awareness Day - June 13, 2021 (Second Sunday in June)
  • Multicultural Communication Month - April
  • Multicultural Diversity Day - October 18, 2021 (Third Monday in October)
  • Mummers Parade - January 1

  • Museum Advocacy Days - February 22-23, 2021 (Last Mon/Tues in February)
  • Museum Day - September 25, 2021 (Fourth Saturday in September)
  • Museum Lover's Day - May 5
  • Museum Selfie Day - January 20, 2021 (Third Wednesday in January)
  • Mushroom Month - August
  • Music in our Schools Month - March
  • Mutation Day - September 29 (Teenage Mutant Ninja Turtles)
  • My Bucket's Got a Hole in it Day - May 30
  • My Mom Is a Student Day - October 15
  • Myasthenia Gravis Awareness Month - June
  • Mystery Series Week - October 3-9, 2021 (First Full Week of October)
  • Myths & Legends Day For All Fantasy Movie, Books, and Legends Cephalopods - October 11

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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