OP was wrong. The 2014 iPad event took place on 10/16/2014.
From Wikipedia:
Apple Special Event (October 16, 2014) Apple's “It’s been way too long” media event took place on October 16th, 2014.[40] The company used this event to unveil the iPad Air 2, iPad mini 3, and an updated iMac with a 5K Retina Display.
This keynote was streamed live on October 16, 2014.