The current 50-star flag has been in use the longest with Saturday, July 4, marking 55 years since a star was added, for Hawaii, which became a state Aug. 21, 1959, with its star added in 1960.

The New Yorker, July 1, 1950 P. 17. Talk. History of the design of the American flag which will have to be changed by the additition of two stars if Hawaii & Alaska are admitted to statehood.