Wordnet 3.0
NOUN (1)
1. 
 King of England from 1377 to 1399; 
 he suppressed the Peasant's Revolt in 1381 but his reign was marked by popular discontent and baronial opposition in British Parliament and he was forced to abdicate in 1399 (1367-1400); 
WordNet (r) 3.0 (2006):
Richard II
    n 1: King of England from 1377 to 1399; he suppressed the
         Peasant's Revolt in 1381 but his reign was marked by
         popular discontent and baronial opposition in British
         Parliament and he was forced to abdicate in 1399
         (1367-1400)