World Hello Day is a holiday celebrated on November 21 by 180 countries

World Hello Day is a secular unofficial holiday celebrated on November 21 by 180 countries to illustrate the importance of personal communication for preserving peace. On this day, people are encouraged to participate by simply greeting 10 people. Winners of the Nobel Peace Prize are among the people who have noted World Hello Day’s value as an instrument for preserving peace and as an occasion that makes it possible for anyone in the world to contribute to the process of creating peace. #WorldHelloDay #November21 #OnThisDay World Hello Day was originally created in 1973 by Arizona State University graduate Brian McCormack and Harvard graduate Michael McCormack as a direct response to the Arab-Israeli war officially known as the Yom Kippur War. World Hello Day is an opportunity for everyone, all throughout the globe, to make an effort at reaching out to one another, taking steps towards world peace. The primary means to achieving this personal connection is by simply saying, ‘hello!”