(50) باب مَا جَاءَ عَاشُورَاءُ أَىُّ يَوْمٍ هُوَ
Ibn Abbas narrated:
"The Messenger of Allah ordered fasting the tenth day for the Day of Ashura." (RU)
Reference (RU): Jami` at-Tirmidhi 755 (RU)
In-book reference (RU): Book 8, Hadith 74 (RU)
English translation (RU): Vol. 2, Book 3, Hadith 755 (RU)