In 1976 the United States of America celebrated its ____________ with fireworks and festivities.
A. annual
B. semisesquicentennial
C. centennial
D. bicentennial
E. millennial
In 1976 USA celebrated its 200th anniversary which is known as a bicentennial. Annual means every year, semisesquicentennial is 75 years. centennial is one hundred years and millennial is 1000 years.