Today is: May 20

Autoimmune Arthritis Day, World

Be a Millionaire Day

Bee Day, World

Eliza Doolittle Day

Independence Day (TL)(2002)

Rescue Dog Day, Ntl

Strawberries Day, Pick

Supply Chain Professionals Day

Unity Day (CM)(1972)

Victoria Day (CA)(1837)

Weights & Measures Day, Intl. (1875)

Arthritis Care Awareness Week (UK): May 14-21

Backyard Games Week, Ntl.: May 20-26

Bike to Work Week, Ntl.: May 20-26 (est)

British Sandwich Week (UK): May 19-25 (est)

Cannes Film Festival (FR): May 14-25 (est)

Click-It-or-Ticket Mobilization: May 21-June 3 (est)

Dementia Awareness Week (UK): May 20-26 (est)

Doughnut Week, The Children’s Trust National (UK): May 18-26 (est)

Emergency Medical Services Week, Ntl.: May 19-25 (est)

Epilepsy Week, Ntl. (UK): May 20-26 (est)

Exercise Right Week (AU): May 20-26 (est)

Families Week, Ntl. (AU): May 15-21

Food Allergy Week (AU): May 19-25 (est)

Foul Ball Week, Ntl.(1921): May 16-21

French Open (FR): May 20 - June 9 (est)

Healthy and Safe Swimming Week: May 20-26

MOVE Week, European: May 20-26 (est)

Old Friends, New Friends Week: May 19-25

Palliative Care Week, Ntl.(AU): May 19-25 (est)

Public Works Week, Ntl.(US/CA): May 15-21

Safe Boating Week, (US/CA) Ntl.: May 20-26

Salt Awareness Week, World (UK): May 20-26 (est)

Sandwich, British Sandwich Week (UK): May 20-26 (est)

Spinal Health Week (AU): May 20-26 (est)

Unicycle Week, Ride a: May 19-25

Vegetarian Week, Ntl. (UK): May 20-26 (est)

65 Roses Month (AU)

ALS Awareness Month

Amaranth Month

Arthritis Awareness Month, Ntl.

Asian & Pacific Islander American Heritage Month

Asparagus Month, Ntl.

Asthma & Allergy Awareness Month

Barbecue Month, Ntl.

Bike & Bicycle Safety Month

Blood Pressure Month, Ntl.

Borderline Personality Disorder Awareness Month

Brain Tumor Action Month

Building Safety Month, Ntl.

Cancer Research Month, Ntl.

Car-Keeping Month, Ntl. Good

Celiac Awareness Month (CA)

Cheese Month, American

Chocolate Custard Month

Civility Awareness Month, Global

Clap 4 Health Month

College Students with Disabilities Recognition Month

Craft & Design Month (2011)(UK)

Crohn's & Colitis Awareness Month (AU)

Cystic Fibrosis Month

Dhul-Qa'dah (M)

Digestive Diseases Awareness Month, Ntl.

Egg Month

Electrical Safety Month, Ntl.

Employee Health & Fitness Month, Global

Family Wellness Month

Feast of Our Lady of Peace and Good Voyage (PH)

Fibromyalgia Education & Awareness Month

Food Allergy Action Month

Foster Care Month, Ntl.

Garden, Gifts from the Garden Month

Gardening for Wildlife Month

Get Caught Reading Month

Haitian Heritage Month

Hamburger Month, Ntl.

Heal the Children Month

Hearing & Speech, (Better) Month

Hemochromatosis Awareness Month (CA)

Hepatitis Awareness Month, Ntl.

Hereditary Hemochromatosis Genetic Screening and Awareness Month, Ntl.

High Blood Pressure Education Month, Ntl.

Huntington's Disease Awareness Month (CA)

Huntington's Disease Awareness Month

Inventors Month, Ntl.

Iyyar (J)

Jeth (S)

Jewish-American Heritage Month

Lung Cancer Awareness Month (AU)

Lupus Awareness Month, Ntl.

Lyme Disease Awareness Month

Meat Free May (UK)

Medication Dependence Prevention Month (AU)

Meditation Month, Ntl.

Mediterranean Diet Month, Intl.

Melanoma/Skin Cancer Detection & Prevention Month

Mental Health Month, Ntl.

Microchip Your Pet Month (US)

Midnight Sun (NO)

Military Appreciation Month, Ntl.

Motorcycle Safety Month (US/CA), Ntl.

Myalgic Encephalomyelitis / Chronic Fatigue Syndrome (ME/CFS) Awareness Month

Mystery Month

Neurofibromatosis Awareness Month, Ntl.

Older Americans Month

Onion, Sweet Vidalia Month, Ntl.

Osteoporosis Prevention Month, Ntl. (US)

Pediatric Stroke Awareness Month, Ntl.

Pet Cancer Awareness Month, Ntl.

Pet Month, Ntl.

Photography Month, Ntl.

Physical Fitness & Sports Month, Ntl.

Physiotherapy Month, Ntl. (CA)

Posture Month

Preservation Month, Ntl.

REACT Month

Read to Your Baby Bump Month, Ntl.

Recommitment Month, Ntl.

Responsible Animal Guardian Month

Running of the Balls (US-TN)

Salad Month, Ntl.

Santacruzan, Flores de Mayo (PH)

Service Dog Eye Examination Month, Ntl.

Sexual Assault Awareness and Prevention Month, Ntl.

Sleep Month, Better

Smile Month, Ntl. (UK)

Spiritual Literacy Month

Stroke Awareness Month, Ntl. (US)

Stroke, Strike Out Stroke Month

Tavern Month, Ntl.

Teen Self-Esteem Month, Ntl.

Thyroid Awareness Month (AU)

Tooth, Save Your Tooth Month

Toxic Encephalopathy & Chemical Injury Awareness Month, Ntl.

Trade Month, World

Triple Crown

Tuberous Sclerosis Awareness Month

Ultraviolet (U.V.) Awareness Month

Urgent Care Awareness Month, Ntl.

Vaisakha (H)

Vinegar Month

Vision Health Month (CA)

Vision, Healthy Vision Month

Walk in the Woods Month (UK)

Walking Month, Ntl. (US/UK)

Wetlands Month, American.

Woman, Victorious Woman Month Intl.

Women's Health Care Month, Ntl.

Young Achiever's Month

Youth Traffic Safety Month, Global

LEEP Calendar

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No Image found . This Image is about the event Pantone Color of the Year: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of the Angelonia: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Earth in Time: 2020 - 2030. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of Jubilee (C): December 24, 2024 - December 24, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Chinese Year of the Rabbit, 4721: January 22 - February 9. Click on the event name to see the event detail.

No Image found . This Image is about the event Losar (B) 2151: February 10 - February 27, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Autoimmune Arthritis Day, World: May 20. Click on the event name to see the event detail.

No Image found . This Image is about the event Bee Day, World: May 20. Click on the event name to see the event detail.

No Image found . This Image is about the event Food—International Year of Camelids: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event International Decade for Ocean Science for Sustainable Development: 2021-2030. Click on the event name to see the event detail.

No Image found . This Image is about the event Chinese Year of the Dragon, 4722: February 10 - January 28, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Islamic Year 1446 (M): July 7, 2024-June 25, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Space—Year of the 2nd Race for the Moon: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Nanakshahi Years (S) 556: March 14, 2024-March 13, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Africa, 3rd Decade of Industrial Development: 2016- 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Africa, 3rd Decade of Industrial Development: 2016- 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Losar (B) 2151: February 10 - February 27, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Losar (B) 2150: February 21, 2023 - February 9, 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Nanakshahi Year 555 (S): March 14, 2023- March 13, 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of Mission (C): July 17, 2024 - July 16, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Big Year of Heliophysics: October 2023 - September 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Healthy and Safe Swimming Week: May 20-26. Click on the event name to see the event detail.

No Image found . This Image is about the event Chinese Year of the Dragon, 4722: February 10 - January 28, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Jewish Year 5785 (J): October 3, 2024 - September 22, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of Parish Revival (C): June 11, 2023 - June 2, 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Nelson Mandela Decade of Peace: 2019-2028. Click on the event name to see the event detail.

No Image found . This Image is about the event Third International Decade Poverty Eradication: 2018 - 2027. Click on the event name to see the event detail.

No Image found . This Image is about the event Water for Sustainable Development, Intl. Decade: 2018 - 2028. Click on the event name to see the event detail.

No Image found . This Image is about the event Safe Boating Week, (US/CA) Ntl.: May 20-26. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of Prayer (C): December 24, 2023- December 23, 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of the Buddleia: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event African, Intl. Decade for People of African Descent: 2015- 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Leap Year: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of the Sunflower, Intl.: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Panchanga 2081: March 26, 2024 - March 14, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event United Nations Decade for Sustainable Energy for All: 2014 - 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Poverty Eradication, 3rd Intl. Decade: 2018 - 2027. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of Salad, Intl.: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event International Decade on Ecosystem Restoration: 2021-2030. Click on the event name to see the event detail.

No Image found . This Image is about the event Chinese Year of the Rabbit, 4721: January 22 - February 9. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of Intuition & Realized Dreams: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Arthritis Care Awareness Week (UK): May 14-21. Click on the event name to see the event detail.

No Image found . This Image is about the event Bike to Work Week, Ntl.: May 20-26 (est). Click on the event name to see the event detail.

No Image found . This Image is about the event Year of the African Violet: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Be a Millionaire Day: May 20. Click on the event name to see the event detail.

No Image found . This Image is about the event Herb of the Year, Yarrow Achillea: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Indigenous Languages, Intl. Decade of: 2022 -2032. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of the Family, IYF+30, Intl.: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of the Hosta: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event European Year of Cycling: 2024 . Click on the event name to see the event detail.

No Image found . This Image is about the event Nutrition, Intl. Decade for Action: 2016- 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event 2024 Décor Colors of the Year. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of the Squash: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Buddhist Year (B) 2151: February 10 - February 27, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Nutrition, Intl. Decade for Action: 2016- 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Water for Sustainable Development, Intl. Decade: 2018 - 2028. Click on the event name to see the event detail.

No Image found . This Image is about the event Islamic Year 1445 (M): July 18, 2023 - July 7, 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event International Decade of Healthy Ageing: 2021-2030. Click on the event name to see the event detail.

No Image found . This Image is about the event African, Intl. Decade for People of African Descent: 2015- 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Water for Sustainable Development, Intl. Decade: 2018 - 2028. Click on the event name to see the event detail.

No Image found . This Image is about the event Energy, Decade for Sustainable Energy for All: 2014 - 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event European Year of Skills: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event African Year of Education: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Year of the Lily: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event America's Presidential Election Year: 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Cannes Film Festival (FR): May 14-25 (est). Click on the event name to see the event detail.

No Image found . This Image is about the event Second UN Decade for Action on Road Safety: 2021-2030. Click on the event name to see the event detail.

No Image found . This Image is about the event Nanakshahi Year 556 (S): March 14, 2024- March 13, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Jewish Year 5784 (J): September 16, 2023 - October 2, 2024. Click on the event name to see the event detail.

No Image found . This Image is about the event Nanakshahi Year 556 (S): March 14, 2024- March 13, 2025. Click on the event name to see the event detail.

No Image found . This Image is about the event Rescue Dog Day, Ntl: May 20. Click on the event name to see the event detail.

No Image found . This Image is about the event Chinese Year of the Rabbit, 4721: January 22 - February 9. Click on the event name to see the event detail.

No Image found . This Image is about the event Decade of Family Farming, Intl.: 2019-2028. Click on the event name to see the event detail.

Additional Events on LEEP

Mitochondrial Disease Awareness Week, Ntl. (US/CA): September 18-24

Zero-tasking Day: November 7

Victims of Terrorism, Day of Remembrance, Intl.: August 21

About Kaleidoscope Day

Worldwide

EVENT NAME:

Kaleidoscope Day (1781)

EVENT CATEGORIES:

Anniversaries , Technology & Telecom
Culture & Art

Dates Active:

Begins: Dec 11, 2024
Ends: Dec 11, 2024

INFORMATION URL:

https://buggyandbuddy.com/science-for-kids-how-to-make-a-kaleidoscope/

EVENT ADDRESS:

SOCIAL MEDIA LINKS:

RESERVE TICKETS:

DESCRIPTION:

December 11, 1781, David Brewster was born in Scotland. In 1815 he invented the Kaleidoscope to allow him to study optics. The colorful pattern-changing instrument became an instant success throughout Europe and the United States. Its name means "Beauty-Form-Watcher" in Greek.

VIDEOS

VIDEO 2

VIDEO 3

SUPPORTING DOCUMENTS

Currently, this event does not have supporting documents.

ADDITIONAL IMAGES

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EVENT CHAMPION

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LAST UPDATED:

Sep 13, 2023

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EVENT MANAGER:

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