Final answer:
The event at Thor'sday Thursday Celebration for people over 60 was the Senior Citizen Luncheon.
Step-by-step explanation:
The event at the Thor'sday Thursday Celebration that was for people over 60 only was the Senior Citizen Luncheon. This luncheon was specifically organized for individuals who are 60 years old or older, providing them with a chance to socialize, enjoy a meal, and participate in activities tailored to their interests.