The document discusses the oldest churches in Riga, Latvia. St. Peter's Church is mentioned as being the oldest, first appearing in documents from 1209. The Riga Dome church was likely founded after 1211 when its foundations were laid. The Roman Catholic Cathedral of St. James began construction in 1225 in early Gothic style and was completed around 1300, though its two upper tower floors and spire were added in the 15th century.