Calendar Problem

My calendar is empty
a. CCheck Calendar ·  Login at https://portal.microsoftonline.com using Internet Explorer ·  At the top left side click Calendar  ·  Then...
Wed, 14 Oct, 2015 at 4:59 PM
Cannot delete a calendar entry
 Cannot delete a calendar entry · Login at https://portal.microsoftonline.com  using Internet Explorer · At the top left side click Calendar ...
Wed, 14 Oct, 2015 at 5:01 PM