Ramadan 15

15th Ramadan in the Islamic lunar calendar is the 251st day of the year.

3 AH - Birth of Imam al-Hasan al-Mujtaba (a), the second Imam of the Shia. (March 1, 625)

3 AH - Marriage of Prophet Muhammad (s) with Zaynab bt. Khuzayma. (March 1, 625)
37 AH/38 AH - Muhammad b. Abi Bakr entered Egypt
60 AH - Muslim b. Aqil left Mecca toward Kufa by the Imam al-Husayn's (a) order (June 19, 680)
145 AH – Martyrdom of al-Nafs al-Zakiyya, the first 'Alavi who revolted against Abbasid. (December 7, 762 CE)
195 AH - Birth of Imam al-Jawad (a) (according to some sources) (June 11, 811).
385 AH - Birth of al-Shaykh al-Tusi, a Shia hadith scholar, jurist, and the author of the books al-Tahdhib and Al-Istibsar. (October 13, 995)
618 AH - Death of Jalal al-Din Hasan III, the sixth leader of the Nizari Isma'ilis in Alamut. (November 2, 1221)
965 AH - Martyrdom of al-Shahid al-Thani (July 1, 1558)
1070 AH - Birth of al-Muhaqqiq al-Bahrani, a Shia jurist, hadith scholar, and author of the book al-Hadaiq al-nadira. (May 25, 1660)
1075 AH - Birth of Sulayman b. Abdullah Mahuzi, a Shia hadith scholar and biographer, and the author of the book Miraj ahl al-kamal ila ma'rifat al-rijal. (April 1, 1665)
1337 AH - Death of Mustafa Mujtahid Tabrizi, a scholar and poet from Tabriz (June 17, 1919).

For this day, in addition to the common acts of worship observed on all days of Ramadan, some specific supplications and deeds have also been narrated. Sayyid b. Tawus has narrated more prayers for this day in his book Iqbal al-A'mal.

	Special Acts and Prayers for the Fifteenth of Ramadan
Night Fifteenth	Ghusl (ritual bath) Ziyara of Imam al-Husayn (a) Perform six rak'as of prayer, reciting Sura al-Fatiha once, followed by Sura Ya-Sin, Sura Tabaraka al-Mulk, and Sura al-Ikhlas in each rak'a.
Day Fifteenth	Reciting the Dua al-Mujir during the Ayyam al-Bid (the 13th, 14th, and 15th days) of Ramadan is recommended for seeking forgiveness of sins.
Prayer	Perform four rak'as of prayer (two prayers of two rak'as each). In the first two rak'as, recite Sura al-Fatiha once and Sura al-Ikhlas one hundred times. In the next two rak'as, recite Sura al-Fatiha once and Sura al-Ikhlas fifty times
Supplication of the Day	O Allah, on this day, grant me the obedience of the humble, expand my chest through the repentance of the humble, by Your security, O the shelter of the fearful. Arabic: اللَّهُمَّ ارْزُقْنِی فِیهِ طَاعَةَ الْخَاشِعِینَ وَ اشْرَحْ فِیهِ صَدْرِی بِاِنَابَةِ الْمُخْبِتِینَ بِاَمَانِکَ یَا اَمَانَ الْخَائِفِینَ