Let Me Repeat Myself
The Repeat button is half way down the Event screen. When you click on Repeat, you can set up the Repetition for recurring Appointments.

2. Try It: Find the Repeat Options
The "Project Review" Appointment is still open.
Go to Event->Repeat.

What Do You See? The Repeat options include some common choices such as Every Day, Every Monday, Every July 14.

Select: Every Monday.

And Try This: Edit the Dates
From: Mon 7/14/2014 (the date of this example).
To: Mon 8/4/2014 (four weeks from the date in this example).

Click Save. You should return to the Calendar. Sooooo, what do you see?

Event->Repeat