Today In Aviation History: May 21st

These are the top events in aviation history for May 21st:
Saturday, May 21, 1921
Aerotarg Poznań Aviation Society was established
Thursday, May 21, 1925
National Air Transport, one of the companies that originally made up United Airlines, was founded, for the purpose of carrying parcels
Tuesday, May 21, 1946
KLM (Royal Dutch Airlines) inaugurates a scheduled service to New York; first European airline to open post-war flights to NY
Monday, May 21, 1951
TransAsia was formed as the first private civil airline in Taiwan
May 21st, 1953
Dan-Air was incorporated (>>British Airways)
Tuesday, May 21, 1968
Aviogenex was founded as Genex Airlines
Thursday, May 21, 1970
Air Guadeloupe was founded as SATA (Société Antillaise de Transport Aérien)
Tuesday, May 21, 1974
Nusantara Air Service changed its name officially to Bali International Air Service
Saturday, May 21, 1994
Aero Zambia was established
Thursday, May 21, 2009
Neptune Air was awarded an air operator’s certificate
Tuesday, May 21, 2013
TACA International Airlines merged with Avianca and was renamed as Avianca El Salvador
Wednesday, May 21, 2014
Northwest Sky Ferry merged into San Juan Airlines
Thursday, May 21, 2015
Choice Aire started public charter flights between Miami and Atlantic City
Saturday, May 21, 2016
Hongtu Airlines commenced revenue operations
Monday, May 21, 2018
Skyup started operations with flights to Egypt