April 24, 2020
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.
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.