He successfully defended Tobruk when he resisted the Italian invasion of Libya, and he ended up replacing von Sanders as the commander of the Thunder Group in Palestine at the end of WWI.  
He was a strong advocate of the now-abandoned Sun Language theory, which claimed that all languages had a common ancestor, and he set up a series of Peoples' Houses to promote the arts in his home nation.  He successfully defended Tobruk when he resisted the Italian invasion of Libya, and he ended up replacing von Sanders as the commander of the Thunder Group in Palestine at the end of WWI.  He captured Muş while defeating (*) Russian forces in the Caucasus, and this leader won the battle of Sakarya over the Greeks, earning the Treaty of Lausanne, which annulled the earlier and harsher Treaty of Sèvres.  İsmet İnönü succeeded him and continued his Six Arrows policy of democracy and secularism.  Having earlier fought at Gallipoli, for 10 points, name this first president of the Republic of Turkey.
He was a strong advocate of the now-abandoned Sun Language theory, which claimed that all languages had a common ancestor, and he set up a series of Peoples' Houses to promote the arts in his home nation.  
Mustafa {Kemal} {Atatürk} (accept either underlined potion)