Galatasaray joined the Istanbul Football League that was consisting of English and Greek teams in the season of 1906–1907. In its first season, in the Istanbul Football League Galatasaray finished 4th. Above the Greek team Elpis FC and behind champions Cadi Keuy FRC, Moda FC and . The next season the club finished 3rd in the Istanbul Football League. With their first championship title, which was won in 1908–1909, they heralded the beginning of Turkish football history. The First Dynasty (1908–1916) In 1908 Galatasaray SK signed Horace Armitage, who had already won the league twice with Cadi Keuy FRC, as a player and as manager and the first dynasty of Galatasaray and Turkish football begun. The club won three consecutive Istanbul Football League championships in 1909, 1910 and 1911. Although Armitage left the club in 1911, the club went on to win the league in 1915 and 1916. Ali Sami Yen, the founder of Galatasaray Sports Club, was also the first League President of "Turkiye Futbol Birligi (1911). On Sunday 17 January 1909 the first Kıtalar Arası Derbi was played. The game, staged at Papazın Çayırı where Şükrü Saracoğlu Stadium is located today, finished 2–0 to Galatasaray SK. Emin Bülent Serdaroğlu scored the first goal of the Kıtalar Arası Derbi. The second goal was scored by Galatasaray SK Left-Wingback Celal İbrahim. On February 12, 1911 Galatasaray SK achieved their biggest Kıtalar Arası Derbi win. Beating Fenerbahçe SK 7–0 with only 7 players on the pitch. 4 goals were scored by Celal İbrahim, 2 by Emin Bülent Serdaroğlu and 1 goal was scored by Idris. Galatasaray SK won the first eight Kıtalar Arası Derbi matches, scoring 28 goals and conceding 0. The Second Dynasty (1921–1931) In 1920 player and captain Necip Şahin became manager of the team, but he still played for the club. After five years without winning a title the club eventually won the league title in 1922. In the same year Necip Şahin quit as manager and Adil Giray took over as Player-manager. He could not win a title until 1924 and Ali Sami Yen decided to sign Billy Hunter who was at that time the coach of the Turkish national team. They won the Istanbul League three consecutive times (in 1925, 1926, 1927). The 1928 championship was aborted due to the Olympic Games in Amsterdam. Hunter quit as manager in 1928 and Galatasaray legend Nihat Bekdik became