An event that began in this place destroyed the second Hagia Sophia and saw the participation of the Blues and Greens.
The German Fountain was built outside of this place to commemorate a visit from Kaiser Wilhelm II. Later in its existence, this place was the site of tzykanion events. This nonreligious place contained a Kathisma at its eastern end above which was an art gallery. This place contains a bronze monument moved from Delphi that commemorated the Battle of Plataea (*), the Serpent Column. The Horses of St. Mark originally graced this place. An event that began in this place destroyed the second Hagia Sophia and saw the participation of the Blues and Greens. For 10 points, what is this starting point of the Nika Riots, a horse track in the Byzantine capital?
The German Fountain was built outside of this place to commemorate a visit from Kaiser Wilhelm II.
Hippodrome of Constantinople