Law of Tayammum - Haz Umar disagreed - Sahih al Bukhari

Haz Umar bin Khatab changed Sunnah - Sahih al Bukhari

Haz Aisha contradicts with Umar bin khatab on crying on dead - Sahih al Bukhari

Haz Umar changed the Law of Divorce - Sahih Muslim

Haz Hudhaifa - Umar the Door of Afflictions - Sahih al Bukhari

Lady Fatima as angry with Haz abu bakr - Sahih al Bukhari

Haz Abu Bakr abused in Prophet's presence - Sahih al Bukhari

Haz Abu Bakr and Umar used to pray behind slave - Sahih al Bukhari

Haz Abu Bakr and Umar voices grew louder in front of Prophet pbuh - Sahih al Bukhari

Only Haz Aisha did knew about Hadith of Inheritance - Sahih al Bukhari