Köchel catalogue son's earlier works; Mozart's catalogue of his own compositions (begun in February 1784 with K. 449) allows relatively precise dating of many of his later works. The catalogue included the opening bars of each piece, known as an incipit. Köchel divided the corpus into a main chronology of 626 works, and five appendices ("" in German, abbreviated to "Anh.") The appendices (Anh. I-V) included: Since Köchel published his original catalogue in 1863 (now referred to as K), the dating of Mozart's compositions has been subject to constant revision. Many more pieces have since been found, re-dated, re-attributed and re-numbered, requiring
19th-century London one of the most ambitious public works projects undertaken in 19th century London. It transformed the appearance of the riverside between Chelsea and Blackfriars and consists of three different sections: the Victoria Embankment, constructed between 1864 and 1870, the Albert Embankment (1866-70), and the Chelsea Embankment (1871-74). The embankments protected low lying areas along the Thames from flooding, provided a more attractive prospect of the river compared to the mudflats and boatyards which abounded previously, and created prime reclaimed land for development. The Victoria Embankment was the most ambitious: it concealed a massive interceptor sewage tunnel, which channeled waste from