Thus the birth of the Holy Prophet, Sall-Allahu alayhi wa sallam, was the most significant and the most remarkable event in human history. Had there been room in Islamic teachings for the celebration of birthdays or anniversaries, the birthday of the Holy Prophet, Sall-Allahu alayhi wa sallam, would have undoubtedly deserved it more than the birthday of any other person. But that is against the nature of Islamic teachings. That is why, unlike Judaism, Christianity, and Hinduism, there are very few festivals in Islam, which provides for only two Eids (Eidul-fitr and Eidul-Adha) during the whole year. The dates of these two Eids do not correspond to the birthday of any of the outstanding persons of Islamic history, nor can their origin be attributed to any particular event of history that had happened in these dates.
Both of these two Eids have been prescribed for paying gratitude to Allah on some happy events that take place every year. The first event is the completion of the fasts of Ramadan and the second event is the completion of Hajj, another form of worship regarded as one of the five pillars of Islam.
The manner prescribed for the celebration of these two Eids (festivals) is also different from non-Islamic festivals. There are no formal processions, illumination or other activities showing formal happiness. On the contrary, there are congregational prayers and informal mutual visits to each other, which can give real happiness instead of its symbols only.