Airbus[1][2] release dated 20 January 2016: "The Lufthansa Group ... marks a major step in aviation history today by taking delivery of the first A320neo."
Lufthansa received the first A320neo on 20 January 2016, the launch customer for Pratt & Whitney-powered neos that Airbus said burn 15 percent less fuel.
Boeing, Jan. 29, 2016: the 737 MAX 8 "took to the skies for the first time today", "taking off from Renton Field ... at 9:46 a.m. local time".[1]
The first 737 MAX 8 took off from Renton on January 29, 2016 and landed at Boeing Field after a two-hour, 47-minute flight, starting flight testing of the re-engined 737 family on schedule.