Q:

How to reinstall accidentally deleted calendar?

I accidentally removed the inbuilt calendar application. How can I get it back? I can't find it in the Ubuntu Software store.

A:

If you are referring to the gnome calendar, you can either install it using apt-get or snap:
sudo apt-get install gnome-calendar

or
sudo snap install gnome-calendar

I prefer not to install using snap, since I found that those are slower to start.

