Context: The Ottoman Empire (/ˈɒtəmən/; Ottoman Turkish: دَوْلَتِ عَلِيّهٔ عُثمَانِیّه‎ Devlet-i Aliyye-i Osmâniyye, Modern Turkish: Osmanlı İmparatorluğu or Osmanlı Devleti), also known as the Turkish Empire, Ottoman Turkey or Turkey, was an empire founded in 1299 by Oghuz Turks under Osman I in northwestern Anatolia. After conquests in the Balkans by Murad I between 1362 and 1389, the Ottoman sultanate was transformed into a transcontinental empire and claimant to the caliphate. The Ottomans ended the Byzantine Empire with the 1453 conquest of Constantinople by Mehmed the Conqueror.

Question: The Ottoman Empire is also known as what three other names?
Answer: Turkish Empire, Ottoman Turkey or Turkey

Question: When was the Ottoman empire founded?
Answer: 1299

Question: Who founded the Ottoman empire?
Answer: Oghuz Turks

Question: Where was the Ottoman empire founded?
Answer: northwestern Anatolia

Question: Conquests by who began the transformation of the Ottoman sultanate into an Empire?
Answer: Murad I