Explanation

The treaty of Huddaibiah was a pivotal treaty between Muhammad, representing the state of Medina, and the Qurayshi tribe of Mecca in January 628.

The points of the treaty of Hudaibiya.

1. The Muslim shall perform their pilgrimage in the upcoming year

2. they would stay in peace at Mecca for three days including the years onward with no arms except sheathed swords.

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6th year of Prophethood: Umar (ra) became a Muslim