Hadith 771:73
Muhammad ibn Ja'far narrated to us, Shu'bah narrated to us, from Abu Ishaq, who said: I met Zayd ibn Arqam and said: "How many [military] expeditions did the Messenger of Allah, peace and blessings of Allah be upon him, undertake?" He said: "Nineteen." I said: "How many did you undertake with him?" He said: "Seventeen expeditions." He said: So I said: "What was the first expedition he undertook?" He said: "Dhat al-'Ushayr or al-'Ushairah."
حدثنا محمد بن جعفر، حدثنا شعبة، عن أبي إسحاق، قال: لقيت زيد بن أرقم فقلت : كم غزا رسول الله صلى الله عليه وسلم؟ قال: " تسع عشرة "، قلت: كم غزوت أنت معه؟ قال: " سبع عشرة غزوة "، قال: فقلت: فما أول غزوة غزا؟ قال: " ذات العشير أو العشيرة "