Warsaw Chopin Airport for the first time in history – its 10 millionth passenger in a single year. The secondary international airport of the city is the much smaller Warsaw Modlin Airport, which opened in 2012 and is used for low-cost traffic. In 1924, when urban development around Warsaw's aerodrome at Mokotów Field (Pole Mokotowskie) began affecting air traffic, the Ministry of Railways purchased land near the village of Okęcie to construct a new airport. On 29 April 1934, the Polish president, Ignacy Mościcki, opened Central Airport (Okęcie), which from then on took over the handling of all traffic from the former civilian
Frédéric Chopin by Liszt, Clementi and Moscheles, in his two sets of studies (Op. 10 published in 1833, Op. 25 in 1837). Chopin also endowed popular dance forms with a greater range of melody and expression. Chopin's mazurkas, while originating in the traditional Polish dance (the "mazurek"), differed from the traditional variety in that they were written for the concert hall rather than the dance hall; as J. Barrie Jones puts it, "it was Chopin who put the mazurka on the European musical map." The series of seven polonaises published in his lifetime (another nine were published posthumously), beginning with the Op.