Complex sentence: On 1922, Quinquela Martín is sent as Chancellor of the Argentine Madrid Consulate in Spain, and on April, 1923 makes an exhibition at the Círculo de Bellas Artes of Madrid.
Split into simpler sentences: On 1922, Quinquela Martín was sent as Chancellor of the Argentine Madrid Consulate in Spain. On April, 1923 he exhibited at the Círculo de Bellas Artes of Madrid.