Join the movement and find out more at wewill.northwestern.edu/CATSGiveBack. #NUWeWill #CATSGiveBack is part of #GivingTuesdayâ„¢ -- a campaign and nationwide movement which aims to put personal philanthropy front and center during the giving season. Held on the Tuesday following Thanksgiving, Black Friday, and Cyber Monday, Giving Tuesday celebrates and encourages charitable activities that support the organizations you deeply care about.