1430 The Badhaus Egart is mentioned in a document for the first time.
1633 "Adam Weißenstainer has the bathhouse at Egart."
1730 The owner is Josef Joachim Wolf zu Wolfenthal zu Spauregg und Gaudententurm, who orders the bathhouse and chapel to be rebuilt. In the same year, a brochure by the Merano physician Franz Feyrtag de Festis describes the healing effects of the sulfur spring.
1740 "Bath estate at Egart above Töll, bathhouse with sulfur water, chapel, and old dwelling, including the source of the cool copper and drinking water that springs from the mountain just above the bath, and the right and privilege to operate a business year-round and serve wine throughout the year as has been customary since ancient times."
1777 Egart is mentioned in the work Gesundbrunnen der österreichischen Monarchie.
1822 A society of 15 shareholders invests 7,000 guilders to construct a new bath building. Among the shareholders are the district physician of Merano, Dr. Aloys von Gasteiger, former mayor of Merano Joseph Valentin Haller, and Baron Franz Ferdinand von Goldegg.
1824 On June 14, 1824, the "Egart Bathing Institution at Töll" is inaugurated. The following inscription still appears above the portal today: "Dedicated as a healing institution for the sick by a society in 1824." Alois Ladurner, innkeeper of the Goldenes Kreuz at Merano's parish square and a shareholder, runs the guest business.
1825 The society seeks a tenant for one or more years.
1826 A multi-page article about "Bad Egart" appears in the journal of the Ferdinandeum.
1828 Bad Egart is put up for auction with a starting price of 5,005 guilders.
1842 Bad Egart is offered for sale under "the most favorable conditions."
1843 The bathhouse owner Maria Leeb reopens it in May.
1844 Her husband Ignaz Leeb, a road construction engineer, is listed as the bath owner.
1845 Joseph Thaler, priest and local historian in Kuens, derives the name Egert from the Roman forest and spring nymph Egeria. In the same year, Meran und seine Umgebung by Beda Weber is published, supporting Thaler’s view that it was a Roman bath.
1847 Mathias Marsoner, innkeeper at Gasthaus an der Töll, becomes the new owner and operator. He remains the bath innkeeper until he is shot in his tavern in 1863.
1864 Bad Egart is auctioned with a starting price of 4,900 guilders.
1865 Purchased by the municipality of Partschins for 4,350 guilders. The municipality leases it until its sale to Peter Berger in 1885.
1868 Sebastian Nischler appears as the tenant.
1874 Jakob Platter, the Hirschenwirt from Algund, leases Bad Egart until 1885. He proves successful, offers many attractions, and is popular among guests.
1878 Nearly 1,000 people attend a festival of the volunteer fire brigades of the Burggrafenamt at Bad Egart.
1881 The well-known writer Pauline von Nostitz (born Des Granges) dies at Bad Egart.
1885 Last year for Jakob Platter as tenant. Peter Berger, owner of Pension Petersburg in Obermais (today Hotel Palma, St.-Georgen-Str. 20), purchases Bad Egart from the municipality of Partschins.
1886 Reopening by Peter Berger.
1892 Jakob Platter’s Hirschenwirtshaus in Algund is auctioned.
1892 Peter Berger leases Bad Egart to Josefa Platter, wife of Jakob Platter. She is listed as the tenant in newspaper advertisements until 1909.
1902 Jakob Platter dies after being declared legally incompetent in 1898. He is buried in Partschins.
1906 The Töll railway station opens adjacent to Bad Egart.
1909 Peter Berger dies. His widow, Maria (née Stremitzer), inherits Bad Egart.
1910 A charity event for the Partschins nursery is held at Bad Egart. Mrs. Berger advertises for a tenant.
1911 Anton Gerstgrasser appears as the tenant.
1912 Gertrud Botzner becomes the tenant, and daily mass is held in the chapel.
1913 Anna Bauer, former castle innkeeper from Schenna, takes over as tenant.
1915 Tenant is Toni Platter, daughter of Jakob Platter, married Castiglioni. A celebration for Emperor Franz Josef I is held at the chapel under the motto: "Good and blood for the fatherland."
1918 Bad Egart closes.
1918 Maria Berger sells Bad Egart to Karl Wenter, a manufacturer from Merano, for 100,000 crowns. Wenter also purchases the neighboring Haus Waldheim and plans to relocate his canning factory from Doblhof in Merano to Bad Egart.
1919 Robert Dünser reopens the restored "Sulfur Bath Egart."
1920 Bad Egart features its own confectionery.
1922 Karl Wenter sells Bad Egart to Mathias Kiem, a property owner from Algund, for 100,000 lire.
1925-1929 Several tenants, including Luis and Serafina Pranter and Antonia Castiglioni.
1931 Luigia Kiem, daughter of Mathias Kiem, becomes the owner.
1933 As part of the Italianization of German place names, the fascist Alpenzeitung refers to Bad Egart as Bagni del Tel, though other newspapers maintain its original name.
1934-1936 Price regulations impact Bad Egart. The last known tenant is Antonia Castiglioni.
1936-1947 Various ownership changes, including Elisabetta Longo (née Simoni), Anna Oettl (married Klotz), and the Klotz family.
1967 Franz and Filomena Thaler become owners.
1980 The current restaurant Museumstube Onkel Taa opens.
1991 Karl Platino is awarded the title Cavaliere by Giulio Andreotti.
2002 Janett Platino, daughter of Karl Platino and Maria Chizzali, takes over the kitchen.
2008 The Onkel Taa restaurant and the K.u.K. Museum are spatially separated with separate entrances.
2016 Juliane Oberrauch, granddaughter of Karl Platino, joins the business, making it a three-generation family-run establishment.