Opera After Verdi, the sentimental "realistic" melodrama of verismo appeared in Italy. This was a style introduced by Pietro Mascagni's "Cavalleria rusticana" and Ruggero Leoncavallo's "Pagliacci" that came to dominate the world's opera stages with such popular works as Giacomo Puccini's "La bohème", "Tosca", and "Madama Butterfly". Later Italian composers, such as Berio and Nono, have experimented with modernism. The first German opera was "Dafne", composed by Heinrich Schütz in 1627, but the music score has not survived. Italian opera held a great sway over German-speaking countries until the late 18th century. Nevertheless, native forms would develop in spite of this
19th century in science 19th century in science The 19th century in science saw the birth of science as a profession; the term scientist was coined in 1833 by William Whewell, which soon replaced the older term of (natural) philosopher. Among the most influential ideas of the 19th century were those of Charles Darwin (alongside the independent researches of Alfred Russel Wallace), who in 1859 published the book "The Origin of Species", which introduced the idea of evolution by natural selection. Another important landmark in medicine and biology were the successful efforts to prove the germ theory of disease. Following this, Louis Pasteur made