The phrase denotes a specific Halloween celebration that occurred at residential properties located along a riverwalk in 2012. It pinpoints an event in a particular time and place, suggesting possible records, memories, or data associated with that occasion. It can be further defined by the types of event that occurred, its characteristics, or its outcome.
Documentation of past community events provides historical context and can serve as a record of the social activities and atmosphere of a specific residential area at a particular time. Remembering a past event builds relationships and helps foster a sense of community. Events may also have had lasting benefits such as fundraising for a cause, or a building of community spirit.