Simplify the following text for a Grade 5 native English-speaking person.
Original: It is the only state flag of the United States to have been flown under so many various forms of government and the only state flag to feature the Union Flag of the United Kingdom , a holdover of the period in Hawaiian history when it was a British protectorate ( 1794 â `` 1843 ) .
Simplified: It is the only state flag of the United States to have the Union Flag of the United Kingdom on it .