On September 24, 2017, an event or a release titled "We Know How to Party" by Private Society could have potentially garnered attention within specific online communities. Without more context, it's challenging to provide a detailed account of the event. However, given the title and the entity involved, it could be inferred that the event was themed around celebrating the art of partying or could have been a euphemism for a gathering or a digital release that was somewhat illicit or off the mainstream radar.