To get holidays on your Samsung Calendar, you'll need to enable the holiday calendar feature. This is usually found in the settings menu, under calendars or accounts. From there, you can select the holiday calendar you want to add, and voilà! You'll start seeing holidays pop up on your calendar.
The best part? You can choose from a variety of holiday calendars, including national holidays, religious holidays, and even fun holidays like National Pizza Day! Who doesn't love a good excuse to celebrate, right?