Get Started With Google Calendar. Quickstarts explain how to set up and run an app that calls a google. If you haven't connected a calendar yet:

The latest google calendar enhancement adds month chips to make monthly navigation simpler. Let’s get to the tricks.
If You Haven't Connected A Calendar Yet:
Connect your service to google calendar.
Next To Google Calendar, Select Connect.
Simply click share in the calendar settings, add their email and decide their permission level.
The Latest Google Calendar Enhancement Adds Month Chips To Make Monthly Navigation Simpler.
Images References :
To Get Started Planning With Google Calendar, Open The Website And Sign Into Your Google Account.
You can only create new calendars from a browser and not from the google calendar app.
If You've Already Connected A.
Getting started with google calendar.
The Latest Google Calendar Enhancement Adds Month Chips To Make Monthly Navigation Simpler.