| June Monthly Observances |
| Adopt A Shelter Cat Month |
| Cancer From The Sun Month |
| Celibacy Awareness Month |
| Child Vision Awareness Month |
| Children's Awareness Month |
| Dairy Alternative Month |
| Effective Communications Month |
| Entrepreneurs "Do It Yourself" Marketing Month |
| Fireworks Safety Month |
| Gay & Lesbian Pride Month |
| International Childhood Cancer Campaign Month |
| International Men's Month |
| Dairy Month |
| June is Lane Courtesy Month () |
| June is Perennial Gardening Month |
| June is Turkey Lovers Month |
| National Accordion Awareness Month |
| National Aphasia Awareness Month |
| National Candy Month |
| National GLBT (Gay,Lesbian,Bisexual & Transgender) Month |
| National Ice Tea Month |
| National Lady Lawyers Month |
| National Rivers Month |
| National Rose Month |
| National Safety Month |
| National Soul Food Month |
| National Steakhouse Month |
| Pharmacists Declare War on Alcoholism Month |
| Potty Training Awareness Month |
| Professional Wellness Month |
| Rebuild Your Life Month |
| Skyscraper Month |
| Sports America Kids Month |
| Student Safety Month |
| Vision Research Month |
| World Infertility Month |
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| June Weekly Observances |
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| National Headache Awareness Week: 1-7 |
| Black Single Parents Week: 1-7 |
| National Sun Safety Week: 1-7 |
| National Business Etiquette Week: 1-7 |
| (World) Dystonia Awareness Week: 4-11 |
| International Clothesline Week: 7-14 |
| National Automotive Service Professionals Week: 8-14 |
| National Flag Week: 8-14 |
| Men's Health Week: 9-15 |
| Superman Week: 9-12 |
| Youth Cowboy Poetry Gathering: 12-15 |
| Nursing Assistants Week: 12-19 |
| Meet A Mate Week: 16-22 |
| Carpenter Ant Awareness Week: 22-28 |
| Fish Are Friends, Not Food! Week: 28-7/4 |
| National Prevention of Eye Injuries Awareness: 28 -7/5 |
| Freedom from Fear of Speaking Week: 29-7/5 |
| Special Recreation Week: 29-7/5 |
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| June Daily Observances |
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| Ann Hutchinson Memorial Day: 1 |
| Children's Awareness Memorial Day: 1 |
| National Cancer Survivors Day: 1 |
| Pen Pal Day: 1 |
| Leave the Office Early Day: 2 |
| National Bubba Day: 2 |
| Yell "Fudge" at the Cobras in North America Day: 2 |
| Chimborazo Day: 3 |
| International Day of Innocent Children Victims of Aggression: 4 |
| National Tailors Day: 4 |
| World Environment Day: 5 |
| Doughnut Day or Donut Day: 6-7 (First Fri.-Sat. in June) |
| National Hunger Awareness Day: 6 |
| D-Day: 6 |
| Belmont Stakes: 7 |
| (Daniel) Boone Day: 7 |
| Banana Split Day: 7-8 |
| Cheer Coach Day: 7 |
| Do-Dah Day: 7 |
| National Trails Day: 7 |
| Abused Women and Children's Awareness Day: 8 |
| Race Unity Day: 8 |
| Shavuot: 8 |
| Write To Your Father Day: 8 |
| Multicultural American Child Awareness Day: 8 |
| Orphans' Train Memorial Day: 8-9 |
| Upsy Daisy Day: 8 |
| Ball Point Pen Day: 10 |
| Crowded Nest Awareness Day: 12 |
| Loving Day: 12 |
| Nursing Assistants Day: 12 |
| Blame Someone Else Day: 13 |
| Friday the 13th: The ONLY one in 2008!! |
| Raggedy Ann & Andy Day: 13-15 |
| Work@Home Father's Day: 13 |
| Army's Birthday: 14 |
| (World) Blood Donor Day: 14 |
| Croquet Day: 14 |
| Family History Day: 14 |
| Flag Day: 14 |
| World Juggling Day: 14 |
| Family Awareness Day: 15 |
| Father's Day: 15 |
| Husband Caregiver Day: 15 |
| Native American Citizenship Day: 15 |
| Nature Photography Day: 15 |
| Bloomsday: 16 |
| Fudge Day: 16 |
| Stewarts Root Beer Day: 17 |
| World Day To Combat Desertification and Drought: 17 |
| Garfield the Cat Day: 19 |
| Recess At Work Day: 19 |
| World Sauntering Day: 19 |
| Juneteenth: 19 |
| Ann & Samantha Day: 20 |
| Take Your Dog To Work Day: 20 |
| Toad Hollow Day of Thank You: 20 |
| World Refuge Day: 20 |
| Baby Boomer's Recognition Day: 21 |
| Vinegar Day: 21 |
| America's Kids Day: 22 |
| Descendants Day: 22 |
| International Day of Radiant Peace: 22 (also January 22, March 22, Oct.22) |
| Stupid Guy Thing Day: 22 |
| Let It Go Day: 23 |
| Public Service Day: 23 |
| Celebration of the Senses: 24 |
| Fairy Day: 24 |
| National Columnists Day: 24 |
| Hand Shake Day: 26 |
| International Day Against Drug Abuse and Illicit Trafficking: 26 |
| International Day in Support of Victims of Torture: 26 |
| National Bomb Pop Day: 26 |
| Decide To Be Married Day: 27 |
| "Happy Birthday To You" Day: 27 |
| Helen Keller Day: 27 |
| National HIV Testing Day: 27 |
| ARRL (American Radio Relay League) Field Day: 28-29 |
| Great American Backyard Campout: 28 |
| Marble Day: 28-29 |
| Gay & Lesbian Parade Day: 29 |
| Log Cabin Day: 29 |
| Special Recreation Day for The Disabled: 29 |
| Please Take My Children To Work Day: 30 |
| Leap Second Time Adjustment Day: 30 |
