Извините, неверная ссылка: https://www.facebook.com/events/1279627558760386/?acontext={"source":1,"action_history":"[{\"surface\":\"permalink\",\"mechanism\":\"surface\",\"extra_data\":[]}]","has_source":true}&source=1&action_history=[{"surface":"permalink","mechanism":"surface","extra_data":[]}]&has_source=1&fref=mentions