什么地方可以找到英语版美国国旗意义的解说？谢谢！

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50-Star Flag: Executive Order of President Eisenhower dated August 21, 1959 - provided for the arrangement of the stars in nine rows of stars staggered horizon tally and eleven rows of stars staggered vertically. This is the current flag of the United States. Hawaii was admitted as the 50th state on August 21st, 1959. The 27th flag of the United States became the official flag on July 4th, 1960. Nine presidents have served under this flag; Dwight D. Eisenhower (1953-1961), John F. Kennedy (1961-1963), Lyndon B. Johnson (1963-1969), Richard M. Nixon (1969-1974), Gerald R. Ford (1974-1977), Jimmy Carter (1977-1981), Ronald W. Reagan (1981-1989), George Bush (1989-1993), William J. Clinton (1993-2001) and George W. Bush (2001-present)*.

* Bush is only the fourth President to lose the popular vote but win the Presidency by means of the Electoral College. Andrew Jackson and Grov