Olga Sandberg was a Swedish ballerina

Ballerina

A ballerina is a title used to describe a principal female professional ballet dancer in a large company; the male equivalent to this title is danseur or ballerino...

.

Sandberg was a student at the Royal Swedish Ballet

Royal Swedish Ballet

The Royal Swedish Ballet is one of the oldest ballet companies in Europe. Based in Stockholm, Sweden, King Gustav III founded the ballet in 1773 as a part of his national cultural project in response to the French and Italian dominance in this field; he also founded the Royal Swedish Opera and the...

 in 1854 and second dancer in 1865-1870. She was a student of Gasperini

Gasperini

Gasperini can refer to:*Gasperini v. Center for Humanities , a US Supreme Court case*Gian Piero Gasperini, Italian football player and coach*A commune in Pecetto di Valenza...

. She performed at Victoria-Theater in Berlin

Berlin

Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

, in Rostock

Rostock

Rostock -Early history:In the 11th century Polabian Slavs founded a settlement at the Warnow river called Roztoc ; the name Rostock is derived from that designation. The Danish king Valdemar I set the town aflame in 1161.Afterwards the place was settled by German traders...

 and Lemberg. She was active at the Wiener Staatsoper in Vienna

Vienna

Vienna is the capital and largest city of the Republic of Austria and one of the nine states of Austria. Vienna is Austria's primary city, with a population of about 1.723 million , and is by far the largest city in Austria, as well as its cultural, economic, and political centre...

in 1873—1878.

Her best known parts was La magniola, Polka coquette, Valse, Jalousie de metier, Polka mazurka and the abbess in »Robert».