Met In Oct 2008 ! been together ever since... lots of traveling canada to usa and usa to canada :) We applied For our K1 in November 2008 .. Been Very patient since than.. Had my interview In June , Got Approved and Moved here in NC in July 2010 !! We are now living together, happily married and waiting for the green card !!
Hummm... I think it's written on the actual letter, mine is not close by, but bring your passport, the letter (duh!), you dirver's license and your SSN, just in case! Better safe than sorry!