Today in 1969: the first 747-100 “jumbo jet” made its first flight.  It has a storied history.  Even today it is still nicknamed “The Queen of the Skies”.  Over the years there have been many variants of the 747 produced with the 747-8i and 747-8 still being produced today.  This current 747-8i is the heaviest and longest 747 ever produced.  You can read more about the 747 program at the Smithsonian website link here: http://s.si.edu/No88IT