Calendar app is really useful for Windows 10 users, it has many effects like notes, weather, calendar reminders, event creation … and an indispensable function that is present of the Country where you live.
The way to show the holidays of many countries in the Calendar application through several very simple steps.
Step 1: open the Calendar application
Step 2: Click the Add calendar option
Step 3: Click on the country you want to display the holiday in the calendar
Immediate holidays will appear in the calendar.