April 26, 2019

National Audubon Day

National Audubon Day honors the birth of John James Aududon on April 26. Born in 1785, Audubon was a French-American ornithologist, naturalist, and painter, noted for his extensive studies of American birds and his detailed illustrations of the birds in their natural habitats.

National Richter Scale Day

Richter Scale Day celebrates the birth of the inventor of the Richter Scale, Charles F. Richter, on April 26, 1900. The Richter scale assigns a magnitude number to quantify the size of an earthquake. The Richter scale, developed in the 1930s, is a base-10 logarithmic scale, which defines magnitude as the logarithm of the ratio of the amplitude of the seismic waves to an arbitrary, minor amplitude.

National Kids and Pets Day

National Kids and Pets Day was created in 2005 by Celebrity Family & Pet Lifestyle Expert, mother, pet lover and former EMT/Medic, Colleen Paige. National Kids and Pets Day is dedicated to furthering the magical bond between children and animals, to help bring awareness to the plight of pets in shelters awaiting new homes and educating the public about safety between children and pets.

National Pretzel Day

A pretzel, originating from Europe, is a baked bread product shaped into a twisted knot.

National Help a Horse Day

National Help a Horse Day is a national celebration and contest to raise awareness of the plight of horses. Equine rescues and sanctuaries are encouraged to host an event highlighting the work they do and showing community members how they can help.

World Intellectual Property Day

Every April 26, we celebrate World Intellectual Property Day to learn about the role that intellectual property rights (patents, trademarks, industrial designs, copyright) play in encouraging innovation and creativity. April 26 was chosen as the date for World Intellectual Property Day because it coincides with the date on which the Convention Establishing the World Intellectual Property Organization entered into force in 1970.

National Arbor Day

National Arbor Day is a holiday in which individuals and groups are encouraged to plant and care for trees. The first Arbor Day took place on April 10, 1872 in Nebraska. At the federal level, in 1970, President Richard Nixon proclaimed the last Friday in April as National Arbor Day.

National Hairball Awareness Day

National Hairball Awareness Day is observed annually on the last Friday in April. This day is listed as one of the Pet Health Awareness Events of the American Veterinary Medical Association. A hairball is a ball of hair that collects in the stomach of a cat or similar animal as a result of the animal's licking its coat.