President Kennedy, in those words from his inaugural speech in 1961, wanted to urge Americans toward public service and global service. Kennedy was instrumental in establishing the Peace Corps, which was put into place not long after his inauguration (already in March, 1961). The Peace Corps enlisted Americans as volunteers to give their time to serving underdeveloped nations in the world.
I think it's A. Delhi Sultan, Ibrahim Shah Lodi
Buddha
Vishnu
Shiva
Brahma
and 33 million others but those are the main ones
Terrorist extremists were attempting to scare America by showing power and organization to attempt to have us forfeit the war.