<P> Teachers' Day is a special day for the appreciation of teachers, and may include celebrations to honor them for their special contributions in a particular field area, or the community in general . </P> <P> The idea of celebrating Teachers' Day took root in many countries during the 19th century; in most cases, they celebrate a local educator or an important milestone in education . This is the primary reason why countries celebrate this day on different dates, unlike many other International Days . For example, Argentina has commemorated Domingo Faustino Sarmiento's death on 11 September) since 1915; while in India Guru Purnima is traditionally observed as a day to venerate teachers, the birthday of the second president Sarvepalli Radhakrishnan (5 September) is also celebrated as Teacher's Day since 1962 . </P> <P> Many countries celebrate World Teachers' Day, established by UNESCO in 1994, on 5 October as their Teachers' Day . </P>

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