Send out your save-the-date cards to your entire wedding guest list.
If you are planning on having a destination or holiday wedding (or if the majority of your guests will have to travel to your wedding), it's important to set your date as soon as possible and notify your guests so they will have adequate time to make travel arrangements.
Your wedding is in 3-4 months
Order your wedding invitations and coordinating essentials.
As soon as you have envelopes in hand, start addressing your invitations.
Your wedding is in 6-8 weeks
Send out your wedding invitations.
Don't forget to bring your fully assembled wedding invitation to your local post office to have it weighed. This way you'll be sure you have purchased the correct amount of postage
Your wedding is in 4 weeks
Order any additional printed stationery that you will need for your wedding, such as wedding programs, thank you notes, favors, napkins, and menus.
Your wedding is in 1-2 weeks
Contact guests directly if they haven't sent back their RSVPs.
Congratulations, you married! But the work isn't done just yet...
Start writing your thank you notes - thank each guest for their gift(s) and let them know that you loved celebrating with them.
Etiquette says you have three months to send your thank yous