 
 <prompt> Wetin happun for di 39th year of di 15th century? Based on di last question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Popular opinion still dey strongly support the celebration of Mary's conception. For 1439, the Council of Basel, wey no be ecumenical council, talk say belief for the immaculate conception of Mary dey in line with Catholic faith. By the end of the 15th century, the belief don spread well well and dey taught for many theological schools, but because of the influence of the Dominicans, and the strong arguments of Thomas Aquinas (wey don be saint since 1323 and declared "Doctor Angelicus" of the Church for 1567) the Council of Trent (1545–63)—wey fit don confirm the doctrine—instead talk say dem no go take any position. 