Which event is associated with the compilation of Hadith?

The event associated with the compilation of Hadith is the collection under Caliph Umar II. During his reign in the early 8th century, Caliph Umar II recognized the importance of preserving the teachings and sayings of Prophet Muhammad (PBUH) for future generations. This was a pivotal moment in Islamic history as it marked a significant effort to compile Hadith systematically, ensuring that they were recorded accurately and preserved from distortion.

Prior to Umar II's time, there were various individual collections of Hadith, but they were often scattered and not universally accepted. Caliph Umar II initiated a formal process to gather these sayings, encouraging scholars and companions of the Prophet to compile the Hadith they had learned. This effort laid the groundwork for later comprehensive collections, such as those by Al-Bukhari and Muslim, which became essential texts in Islamic scholarship.

In contrast, the earlier collections under Caliph Abu Bakr and Caliph Uthman primarily focused on the compilation of the Quran, while Caliph Ali's era was more about the interpretation and application of Islamic principles rather than the systematic collection of Hadith. Thus, it was under the leadership of Umar II that a more structured approach to the compilation of Hadith began, making this event a crucial milestone in the preservation of Islamic teachings.