<P> Countess Theresa Brunszvik (1775--1861), who had known and been influenced by Johann Heinrich Pestalozzi, was influenced by this example to open an Angyalkert ("angel garden" in Hungarian) on May 27, 1828, in her residence in Buda, the first of eleven care centers that she founded for young children . In 1836 she established an institute for the foundation of preschool centers . The idea became popular among the nobility and the middle class and was copied throughout the Kingdom of Hungary . </P> <P> Friedrich Fröbel (1782--1852) opened a "play and activity" institute in 1837 in the village of Bad Blankenburg in the principality of Schwarzburg - Rudolstadt, Thuringia, as an experimental social experience for children entering school . He renamed his institute Kindergarten on June 28, 1840, reflecting his belief that children should be nurtured and nourished "like plants in a garden". </P> <P> Women trained by Fröbel opened kindergartens throughout Europe and around the world . The first kindergarten in the US was founded in Watertown, Wisconsin in 1856 and was conducted in German by Margaretha Meyer - Schurz . </P> <P> Elizabeth Peabody founded the first English - language kindergarten in the US in 1860 . The first free kindergarten in the US was founded in 1870 by Conrad Poppenhusen, a German industrialist and philanthropist, who also established the Poppenhusen Institute . The first publicly financed kindergarten in the US was established in St. Louis in 1873 by Susan Blow . </P>

When did kindergarten start in the united states
find me the text answering this question