Taken from Shan87, cuz shes awesome
Things to book:
Church (Complete)
Reception Venue (Complete)
Photographer (Complete)
Linen rental/ceiling drapery (Complete)
Make-up artist (Complete)
Hair Stylist (Complete)
DJ (Complete)
Day-of Transportation (Complete) 

Things to decide:
Budget (Set)
Date (Complete)
Guest List (Complete)
Bridal Party (Complete)
Color Scheme (Complete)
Wedding Cake Design (Complete)
Bouquets (Complete)
Centerpieces (90% Complete)
Reception Decorations (95% Complete)
Ceremony Decorations (Complete)
Ceremony Readings and Script 
Ceremony Music
Formal Dances Music
 (First Dance (picked), Father/Daughter, Mother/Groom
Wedding Day Timeline (Complete)
Something Old, New, Borrowed & Blue (Complete)
Photography Locations

Things to order:
My Accessories (90% Complete)
Bridesmaid Dresses (Complete)
Bridesmaids Necklaces (Complete)
Wedding Bands (Ordered)
Favors (Ordered, just need to be assembled)
Bridal Party Gifts (Complete)
Photo Share Cards (Vistaprint) (Complete)

Things to Make:
Bridesmaids Necklaces (Complete)
Kids Activity Bags (Complete)
Cut Paper for Guest's Wishes
Make Invites (Complete)
Print Invitations (Complete)
Print RSVPs (Complete)
Assemble Place Cards
Make Table Numbers (Complete)
 Things to do:
Register for Gifts (Complete)
Order Paper (Complete)
Buy postage for save-the-dates (Complete)
Buy postage for Invitations(Complete)
Block Hotel Rooms (Complete)
Pick food to test for menu options (Complete)
Finalize Menu and Service Details (Complete)
Get Engagement Photos Taken (Complete)
Dress Fittings (Complete, minus one final fitting the week of)
Apply for Marriage License (Complete)
Make List of Must-Play (and Must-Not Play) for DJ

Make Seating Plan (In progress as RSVPs come back)
Wrap Bridal Party Gifts 
Change of Name Paperwork 
Prepare Toasts or Thanks to Guests 
Give Wedding-Day Directions, Schedule and Contact List to Parents, Bridal Party and Vendors
Give Final Head-Count to Venue
Confirm Final Payment Amounts with Vendors  
Confirm Location, Date and Time with Photographer 
Confirm Date, Location, Time and Playlist with DJ 
Confirm Date, Location, Time and Playlist with Day-of Transportation
Rehearse Ceremony 
Drop Off Required Materials to Venue 
Write Thank-You Notes for Wedding

Things to send:
Save-the-dates (Complete)
Invites (Complete)
Rehearsal Dinner Invites
Thank-You Notes for Wedding