7513
A total of four helicopters had arrived by the start of the 1967 Six-Day War , during which they flew 41 sorties .
 event: Six-Day War
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 event: Six-Day War