The year of 1820 was a pivotal one in the story of the King?­dom of Hawaii.
( ( ( The year ) ( of 1820 ) ) ( ( was ( ( a ( pivotal one ) ) ( in ( ( the story ) ( of ( ( the King?dom ) ( of Hawaii ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN year)) (PP (IN of) (NP (CD 1820)))) (VP (VBD was) (NP (NP (DT a) (JJ pivotal) (NN one)) (PP (IN in) (NP (NP (DT the) (NN story)) (PP (IN of) (NP (NP (DT the) (NNP King?dom)) (PP (IN of) (NP (NNP Hawaii))))))))) (. .)))
The Kingdom of Hawaii has remained exactly the same since the 18th Century.
( ( ( The Kingdom ) ( of Hawaii ) ) ( ( has ( ( remained ( exactly ( the same ) ) ) ( since ( the ( 18th Century ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNP Kingdom)) (PP (IN of) (NP (NNP Hawaii)))) (VP (VBZ has) (VP (VBN remained) (NP (RB exactly) (DT the) (JJ same)) (PP (IN since) (NP (DT the) (JJ 18th) (NNP Century))))) (. .)))