On 15 May 1919 , 20,000 Greek soldiers landed in Smyrna .
On 15 May 1919 , 20,000 Greek soldiers took control of the city and its surroundings under cover of the Greek , French , and British navies .
On 15 May 1919 , 20,000 Greek soldiers landed in Smyrna and took control of the city and its surroundings under cover of the Greek , French , and British navies .