Here's my timeline:
We received your application for Canadian citizenship (grant of citizenship) on January 13, 2012.
We sent you a letter acknowledging receipt of your application(s), and a study book called Discover Canada on January 13, 2012. Please consider delays in mail delivery before contacting us.
We started processing your application on May 17, 2012.
We sent you a notice on January 15, 2014 to appear and write the citizenship test on January 31, 2014 at 1:00 PM. The notice you will receive by mail will be your official confirmation of your appointment. If you have not received this notice prior to the date of your scheduled appointment, please contact us.
We sent you a notice on April 4, 2014 to appear and take the oath of citizenship at the citizenship ceremony to be held on April 22, 2014 at 8:30 AM. The notice you will receive by mail will be your official confirmation of your appointment. If you have not received this notice prior to the date of your scheduled appointment, please contact us.
Goodluck everyone!