To view an item on the calendar, move your mouse over a square on the calendar to see a description.  Click on a date to see details of that day.  To see all events for a month on the bottom of the screen, select the link near the bottom right corner for all events.  The descriptions of the events may have links that you can click on with your mouse to see further details.

You may change the category you are viewing by selecting a category from the drop-down menu that defaults to all.  And, you may change the month and year on the calendar from the top drop down menus.

You may use the back button on your browser to return to the page you were on previously.