131146
Prior to this repair , the last known ringing of the bell with its clapper was at the end of World War II , in 1945 , though it had since been rung several times by striking with a mallet .
 World War II
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 World War II