1948 – 1994 should be your answer
<span>Nicolaus Copernicus was a Polish Renaissance mathematician and astronomer who was instrumental in establishing the concept of a heliocentric solar system, in which the sun, rather than the earth, is the center of the solar system. Therefore, the words to fill in the blanks is Nicolaus Copernicus and Heliocentric theory.</span>
Islam involves a theocratic form of government.
1 year-1974-1974 his term was cut short when nixon was out of office and ford became president