One month before your wedding, there are several important tasks you need to complete. Firstly, finalize the guest list and send out invitations. Confirm the final details with your vendors and caterers. Schedule a final dress fitting and purchase any necessary accessories. Ensure all bridal party attire is sorted. Plan and finalize the details of the rehearsal dinner. Collect RSVPs from guests and create a seating chart. Lastly, begin writing your vows and finalize the ceremony details.