World Teachers’ Day is a yearly celebration that commemorates the essential role of teachers in providing quality education at all levels. It aims to show the appreciation of the masses for the hard work teachers do for their students.
According to UNESCO, World Teachers’ Day not only aims to celebrate the profession. It also promotes international standards for the teaching profession to ensure that teachers will meet the needs of future generations.
 https://en.wikipedia.org/wiki/World_Teachers%27_Day