Deleting a Gmail account obviously deletes all the emails and other information contained within that account. To preserve that content, download it before you hit delete.
How to clear my Gmail's login history - Quora Are you talking about login activity or account activity? those activities are recorded by Google and they cannot be deleted.Those are for security purpose. Last account activity You can see your sign-in history, including the dates and times that How To Completely Delete ALL Your Google History - Privacy Apr 15, 2020
How to Delete a Draft in Gmail: 10 Steps (with Pictures
How can I delete the search history in Gmail? - Web To delete specific entries from the Gmail search box auto-complete list: Go to the search box in Gmail; Type the first part of the search you want to delete; When the dropdown appears with one of the options you don't want, hover over that option with your mouse