Every month, there are hundreds of national and international celebrations dedicated to raising awareness and support for meaningful causes.

For those working to bring attention to important topics, it can be challenging to keep track of the next relevant awareness event. We’re here to help.

At Good Good Good, we aim to help people feel more hopeful and do more good. For years we’ve privately curated a comprehensive list of important cause-themed holidays that we’ve used for creating content on our good news Instagram, our Goodnewsletter, our Goodnewspaper, and on this very website.

We’ve organized this list of observances and events by month — and are making them public for the first time. Our hope is that this will help you or your organization bring attention to important issues.

Where applicable, we’ve included resources (usually good news around particular topics, action steps on how to make a difference, or relevant quotes) — and encourage you to share them if you find them helpful.

The main days and months you should know about for May are:

AAPI Heritage Month May 1
Mental Health Awareness Month May 1
Jewish American Heritage Month May 1
Neurodiversity Celebration Week Week-long event
National Nurses Week Week-long event
Deaf Awareness Week 1st full week of May
National Teacher’s Day 1st Tuesday of May
World Bee Day May 20
World Dog Day May 21
Harvey Milk Day May 22

Explore our comprehensive list of national and international months, weeks, days, and birthdays for the month of May:

May Celebrations:

Awareness Months

There are several awareness months celebrated in May — though the five that often get the most attention include Asian American & Pacific Islander Heritage Month, Mental Health Awareness Month, Jewish American Heritage Month, National Clean Air Month, and No Mow May.

ALS Awareness Month

American Stroke Month

Apraxia Awareness Month

Asian American and Pacific Islander Heritage Month

Read and share ideas about how to celebrate AAPI Heritage Month

Be Kind to Animals Month

Read and share good news about animals

Better Speech and Hearing Month

Bladder Cancer Awareness Month

Borderline Personality Disorder Awareness Month

Brain Cancer Awareness Month

Celiac Awareness Month

Cystic Fibrosis Awareness Month

Ehlers-Danlos Syndrome (EDS) Month

Fibromyalgia Awareness Month

Gardening for Wildlife Month

Read about the water-guzzling yards getting a celebrity makeover

Hepatitis Awareness Month

High Blood Pressure Education Month

Huntington’s Disease Awareness Month

Jewish American Heritage Month

Lupus Awareness Month

Lyme Disease Awareness Month

Read the good news about the new mRNA vaccine that may offer protection against Lyme

Mental Health Awareness Month

Read about how to celebrate Mental Health Awareness Month

Mobility Awareness Month

Multiple Sclerosis Awareness Month

Myositis Awareness Month

Older Americans Month

National Asthma and Allergy Awareness Month

National Cancer Research Month

National Clean Air Month

Learn about the WHO air pollution guidelines aiming to improve health

National Melanoma / Skin Cancer Detection and Prevention Month

National NF (Neurofibromatosis) Month

No Mow May

Learn about creating a low- or no-mow lawn — and more ways to create an eco-friendly home and garden

Oncology Nursing Month

Pet Cancer Awareness Month

Learn about the inspiring work being done by the ‘We Rate Dogs’ community to support dogs with cancer and other medical problems

UK Maternal Health Awareness Month

Awareness Weeks

Neurodiversity Celebration Week

Week-long event in May

National Nurses Week

Week-long event in May

Brain Tumor Action Week

Week-long event in May

Mental Health Awareness Week

Week-long event in May

National Eosinophil Awareness Week

Week-long event in May

Deaf Awareness Week

1st full week of May

National Pet Week

1st week of May

Follow your new favorite pet influencers on social media

Children’s Mental Health Week

1st week of May

Puppy Mill Action Week

Starts the Monday before Mother’s Day

Be Kind To Animals Week

1st week of May

Brain Injury Awareness Week

2nd week of May

Queer and Transgender Asian American/Pacific Islander Week

Last week of May

Awareness Days

Save the Rhino Day - May 1

Melanoma Monday - 1st Monday of May

National Teacher’s Day - 1st Tuesday of May

Follow the most amazing teachers on TikTok and read about famous teachers worth knowing about

World Tuna Day - May 2

International Leopard Day - May 3

Wild Koala Day - May 3

World Press Freedom Day - May 3

Greenery Day in Japan - May 4

World Asthma Day - May 5

National Missing and Murdered Indigenous Persons Awareness Day - May 5

International Day for Osteogenesis Imperfecta - May 6

International Family Equality Day - Every 1st Sunday of May

PPP (Postpartum Psychosis) Awareness Day - 1st Friday of May

Green Up Day in Vermont - 1st Saturday of May

National Children’s Mental Health Awareness Day - May 7

World Donkey Day - May 8

World Ovarian Cancer Day - May 8

World Red Cross & Red Crescent Day - May 8

Fair Trade Day - May 8

Ependymoma Awareness Day - May 10

World Lupus Day - May 10

Mother’s Day - 2nd Sunday of May

Women’s Check-Up Day - 2nd Monday of May

Fintastic Friday - 2nd Friday of May

World Migratory Bird Day - 2nd Saturday of May

International Awareness Day for Chronic Immunological and Neurological Diseases (CIND) Day - May 12

International Kangaroo Care Awareness Day - May 15

International Mucopolysaccharidoses (MPS) Awareness Day - May 15

National Sea Monkey Day - May 16

National Honor Our LGBT Elders Day - May 16

International Day Against Homophobia, Transphobia, and Biphobia - May 17

World AIDS Vaccine Day - May 18

Read about the potential good news about an AIDS vaccine

Mental Health Action Day - May 18

Learn about the people working to support mental health around the world

Global Accessibility Awareness Day - 3rd Thursday of May

National Transgender Pride Day - May 19

Hepatitis Testing Day - May 19

National Asian & Pacific Islander HIV/AIDS Awareness Day - May 19

Endangered Species Day - 3rd Friday of May

Bike-to-Work Day - 3rd Friday of May

World Bee Day - May 20

Listen to this inspiring podcast with Bee Girl Sarah

International Behcet’s Disease Awareness Day - May 20

International Blue Cone Monochromacy Awareness Day - May 20

World Autoimmune Arthritis Day - May 20

National Rescue Dog Day - May 20

Learn about Marley’s Mutts, a dog rescue program in a prison

World Day of Cultural Diversity for Dialogue and Development - May 21

Eat More Fruits and Vegetables Day - May 21

Find out what fruits and vegetables are in season right now

World Meditation Day - May 21

World Dog Day - May 21

Read good news about dogs

World Fish Migration Day - May 21 (Celebrated every other year)

International Day for Biological Diversity - May 22

Harvey Milk Day - May 22

Read the best quotes from Harvey Milk

World Turtle Day - May 23

Read this good news story about drones protecting turtles

International Day to End Obstetric Fistula - May 23

Mister Rogers’ 143 Day - May 23

In honor of Mister Rogers’ love for the number 143, check out the 143 best quotes from America’s neighbor.

European Day of Parks - May 24

Pansexual and Panromantic Visibility Day - May 24

National Schizophrenia and Psychosis Awareness Day - May 24

Learn more about ​​Schizophrenia and other commonly misunderstood mental disorders

World Otter Day - May 25

World Thyroid Day - May 25

Intersectional Environmentalist Day - May 28

Learn about intersectional environmentalism and the founder of the organization Intersectional Environmentalist, Leah Thomas

Menstrual Hygiene Day - May 28

National Alligator Day - May 29

Learn About Composting Day - May 29

Start by learning about food waste

World Multiple Sclerosis Day - May 30

World Parrot Day - May 31

World No Tobacco Day - May 31

Notable Birthdays

Birthdays of leading activists, nonprofit leaders, and other world-changers born in the month of May:

Dwayne Johnson’s Birthday - May 2 

Kumail Nanjiani’s Birthday - May 2 

Keith Haring’s Birthday - May 4

Hank Green’s Birthday - May 5

Read all of Hank Green’s best quotes

Willie Mays’ Birthday - May 6 

MrBeast’s Birthday - May 7

Read about YouTuber MrBeast’s ‘Team Seas’ initiative

Rosario Dawson’s Birthday - May 9 

Bono’s Birthday - May 10 

Read and share Bono’s most inspirational quotes

Tony Hawk’s Birthday - May 12 

Stephen Colbert’s Birthday - May 13 

Madeleine Albright’s Birthday - May 15 

Read and share Madeleine Albright’s most inspirational quotes

Malcolm X’s Birthday - May 19 

JoJo Siwa’s Birthday - May 19 

Harvey Milk’s Birthday - May 22 

Read and share Harvey Milk’s most inspirational quotes

Bob Dylan’s Birthday - May 24 

Octavia Spencer’s Birthday - May 25 

Betty Shabazz’s Birthday - May 28 

Laverne Cox’s Birthday - May 29

Explore More Events:

Is this list missing a holiday or awareness week/month? Let us know. We want to ensure this list is comprehensive and inclusive.