First Contact Day on April 5th commemorates a fictional date in the future when an alien species visits Earth and makes contact with Earthlings for the first time. 

Gold Star Spouses Day on April 5 honors the surviving loved ones of military service members killed in the line of duty.

Caramel lovers celebrate their favorite treat on National Caramel Day each year. Observed on April 5th, this versatile confection adds delicious, creamy flavor to desserts, pastries, and candies.