The conversion of Hamzah and Omar and thirty-nine adherents of the latter—a great event, A.D. 615-616.

The Koraish try to come to terms with Muhammad, but fail.

The prohibition of all intercourse with Muhammad and his followers by order of the Koraish, and a general persecution.

The excommunication of Muhammad and of the descendants of Hisham and
Muttalib, which lasted more than three years, A.D. 617-620.

The death of Muhammad's first wife, Khadijah, in December, A.D. 619, and of his uncle, Abu Thaleb, in January, 620.

His critical position. He seeks an asylum at Taif, but not being well received, returns to Mecca, remaining there in comparative retirement.

His marriage, A.D. 620, with Saudah-bint-Zamaah, the widow of one Sukran, and his betrothal to Ayesha, the daughter of Abu Bakr, then only eight years old.

The first meeting at the Pilgrimage of a party from Yathrib (Madinah), to whom Muhammad expounds his doctrines. The listeners profess their belief in him, and propose to advocate his cause in their native place. March, A.D. 620.

The conference at Akabah, a hill on the north side of Mecca, with the men of certain tribes resident at Yathrib, who took an oath to be faithful to Muhammad and his religion. This is called 'the first pledge of Akabah.' April, A.D. 621.

The despatch of Musaab, a Meccan disciple, to Yathrib, for the purpose of giving instruction in the Koran and in the rites of the new religion.