Task: I am going to use a new device, so I will remove all my calendar data by signing out of my gmail account, fabioteixeira00123@gmail.com, in the calendar app.
Steps:
go back to the previous page
click on the account icon at the top right corner of the screen
Click on Manage accounts on this device
Swipe up
Click on fabioteixeira00123@gmail.com
Click on Remove Account
Click on Remove account