| 1682 | Bernardo Massella, Mayor of Poschiavo, constructs his palace on the town square |
| 1742 | GBirth of Thomas Maria de Bassus, Baron de Bassus |
| 1766 | TThe Baron de Bassus marries Cecila Domenica Massella (niece of Bernardo Massella) and moves into her palace on the town square. |
| The palace becomes famous as a meeting point of the Illuminati (an Enlightenment-era secret society) and a centre for political discussion and music | |
| 1780 | IA printing press was installed in the building |
| 1782 | The first Italian translation of Goethe’s “Werther” was printed in the building. Many works by Enlightenment era authors and the Illuminati are also printed during these years |
| 1787-1788 | The composer Johann Simon Mayr lives in the palace as a guest of the Baron de Bassus |
| 1794 | After the death of his wife, the Baron de Bassus moves to Germany where his son is living |
| 1815 | The Baron de Bassus dies in Ingolstadt (Germany) |
| 1828 | The Baron de Bassus’ son sells the palace to the Albrici family. |
| 1848 | The palace is remodelled into a hotel. The building’s architecture and details remain intact |
| Since 1848 | The remodelled palace opens as the first hotel in Poschiavo |
| September 1896 | The Italian writer and poet Giosuè Carducci is a guest in the hotel |
| Since 2002 | Karin and Claudio Zanolari manage the hotel with great passion |
| 2004 | The Albrici family sells the hotel to the Zanolari family |
| 2004 | The hotel becomes a member of the SWISS HISTORIC HOTELS association |
| 2005 | Minor renovations to interior spaces and preservation of historic first floor rooms |
| Ab November 2011 | The second floor guest room are renovated to provide full comfort amid the historic setting and antique furniture |