Get a few things ready at least 3 weeks before your due date. For yourself, you'll probably want to pack: your birth plan and hospital notes; something loose.
Wedding invitations should be sent six to eight weeks before the wedding date. Ideally, you would have also sent out Save the Dates 4-6 Months before the Date.
When to book your car theory test, what to take with you, what happens at the test centre, how the multiple-choice questions and hazard perception test work.