A hand-held mobile electronic device that includes a controller, a display, a user input device, a storage, and a rigid case dimensioned to be held in a hand of a user, the case housing the controller, the display, the user input device and the storage. The controller is operative to: (i) maintain a list of pending event reminders that have been released for display; (ii) display on the display an event reminder window corresponding to one of the pending event reminders, the event reminder window including a first user selectable option to dismiss the event reminder corresponding thereto, and a second user selectable option to dismiss a plurality of the pending event reminders; (iii) if the first user selectable option is selected through the user input device, remove the displayed event reminder window from the display and display on the display a further event reminder window corresponding to a further one of the pending event reminders; and (iv) if the second user selectable option is selected through the user input device, remove the displayed event reminder window from the display and remove the plurality of pending event reminders from the list.