Yes - by creating an eCard that has links to multiple events. Follow these steps:
Your eCard text should look something like this:
You’re invited to a Seminar.
Please click on the sessions you want to attend
and provide your contact information.
Session 1 on September 1 at 9:30
“How to Gain Customers”
Session 2 on September 1 at 11:30
Session 3 on September 1 at 1:30
“Happiness Equals Success”
Each link should be designated to go to the specific event response form for that session.