Hadith 2283
Narrated Umar ibn al-Khattab: The Prophet ﷺ divorced Hafsah, but he took her back in marriage.
Hadith 3037
Narrated Anas ibn Malik ; Uthman ibn Abu Sulayman: The Prophet ﷺ sent Khalid ibn al-Walid to Ukaydir of Dumah. He was seized and they brought him to him (i. e. the Prophet). He spared his life and made peace with him on condition that he should pay jizyah (poll-tax).