Milan were built in the city during this period by the architects, Pellegrino Tibaldi, Galeazzo Alessi and Ricchino himself. Empress Maria Theresa of Austria was responsible for the significant renovations carried out in Milan during the 18th century. This profound urban and artistic renewal included the establishment of Teatro alla Scala, inaugurated in 1778 and today one of the world's most famous opera houses, and the renovation of the Royal Palace. The late 1700s Palazzo Belgioioso by Giuseppe Piermarini and Royal Villa of Milan by Leopoldo Pollack, later the official residence of Austrian viceroys, are often regarded among the best examples
Haiphong Opera House an old market in the square to make way for the Opera House which was in construction from 1904 to 1912. The French architect deliberately copied the designs and materials of the Palais Garnier in Paris. When it opened performances were put on by touring singers, alternating with performances at the Hanoi Opera House On August 23, 1945 the Opera House was venue for the first public meeting of the Viet Minh in Haiphong, followed by a march and occupation of key buildings not guarded by the Japanese. The Opera House was shortly afterwards scene one of the first conflicts