Today is the Red Sox Victory Parade (after they won after going against the Dodgers) and on Halloween too! Here are details of the event and it starts at 11 am:
https://www.boston.com/sports/boston-red-sox/2018/10/29/2018-red-sox-world-series-parade-date-time-info
Have a great time! and go to Salem Mass to make the best of your day!