4/14/13 i130 filed
4/17/2013 received NOA 1(priority date)
4/22/2013 case accepted at uscis national benefits center with receipt number
11/19/2013 case transferred to nebraska office
12/4/2013 NOA 2.petition approved
1/6/2014 case received at nvc
2/6/2014 case number given
2/8/14 ds261 submitted
2/11/14 aos paid
2/19/14 sent i1864 & aos docs
2/25/14 iv paid
2/27/14 sent ds260
3/7/14 civil docs sent
3/14/14 received aos checklist
3/14/14 checklist corrected and resubmitted
3/21/14 nvc received the checklist
4/2/14 case complete
4/5/14 interview date given by nvc rep ----> May 12,2014
4/5/14 P4 received by email
