Identify this Islamic building (hint: it's in Arabia):

What is the Masjid an-Nabi/The Prophet (PBUH)'s Mosque in Medina, Saudi Arabia?
What term is used to grade a Hadith as authentic?
What is Sahih?
The name of the first major battle fought by the Prophet (PBUH)?
What is the Battle of Badr?
This person invented algebra
Who was Al-Khwarizmi?
The Prophet (PBUH)'s first wife (and also first convert to Islam) was:
Who was Khadija (RA)
The name of this mosque is:

The Muslim Association of Puget Sound (MAPS) in Redmond, WA.
What is the most authentic (and also one of the most well-known!) Hadith Book?
What was the Battle of the Trench/Battle of Khandaq?
This person wrote the Canon of Medicine and is the father of modern medicine
Ibn Sina (aka Avicenna)
The first African Muslim who converted was (hint: they were also the first notable Muathhin):
Who was Bilal (RA)
The name of this building (Hint: it's in Africa):

What is the Hasan II Mosque of Casablanca, Morocco?
What is a chain of narration called?
What is an Isnad?
When did the liberation of Constantinople (now Istanbul) occur?
What is 1453?
This person was called the "father of optics" for figuring out how light enters the eye, causing us to see.
Who was Ibn al-Haytham
The Prophet (PBUH) was protected by this specific uncle during his early days in preaching Islam.
Who was Abdul Muttalib (May Allah (SWT) have mercy on his soul)?
The name of this mosque (Hint: it's in Europe):

What is the Blue Mosque of Istanbul, Turkey?
How many Ahadith are in 40 An-Nawawi?
What is 42?
What battle led to the capture of Jerusalem in 1187 by Salahuddin's forces?
Battle of Hattin
This engineer designed the famous Elephant Clock
Who was al-Jazari
Who was Sumayyah bint Khayyat (RA)?
Identify this mosque (Hint: it's in South Asia):

What is Badshahi Mosque in Lahore, Pakistan?
What does it mean when a hadith is 'li ghayrihi'?
A hadith that is "li ghayrihi" means that the hadith in itself might have been weaker, but its weakness can be fixed. Once that weakness is fixed, it becomes li ghayrihi.
Which battle had so many Sahabas embrace martyrdom that Abu Bakr (RA) ordered the Quran to be compiled to prevent the loss of knowledge?
Battle of Yamama
This scholar successfully estimated the radius of the Earth using a mountain
Who was al-Biruni?
The names of the ten companions who were promised paradise are:
Who were:
Abu Bakr (RA)
Umar (RA)
Uthman (RA)
Ali (RA)
Talha ibn Ubaydah (RA)
Al-Zubayr ibn al-Awwam (RA)
Abdur Rahman ibn Awf (RA)
Saad ibn Abi Waqas (RA)
Said ibn Zayd (RA)
Abu Ubaydah ibn al-Jarrah (RA)