Founding of the Society
Year	Authority / Notes
1802	According to the Istituto Veneto di Scienze, Lettere ed Arti website (), the Istituto was already in its embryonic stage in 1797 in the form of a bill of a.VI brumaio 19 (1797 November 9) presented by Napoleon Bonaparte to the Directorate of the Cisalpine Republic; in that bill the seat of the Institute was set as Bologna. According to the Istituto Lombardo, Accademia di Scienze e Lettere website (), this planned Institute was on the model of the Institut de France. With the transformation in 1802 of the Cisalpine Republic into the Italian Republic, this planned Istituto Nazionale was realized; through a decree of the legislative body of 1802, August 17, the new Institute was started; it was divided into three sections: of scienze fisiche e matematiche, of scienze morali e politiche, and of lettere e belle arti [according to the Istituto Veneto di Scienze, Lettere ed Arti website ()]. According to the Istituto Veneto di Scienze, Lettere ed Arti website (), in 1810 (after Bonaparte had become emperor), the Istituto Nazionale had to be moved from Bologna to Milano, and at that time also had to take a new name, Reale Istituto di Scienze, Lettere ed Arti. The Istituto Lombardo, Accademia di Scienze e Lettere website () gives slightly different information: on 1810, December 25, Bonaparte gave the Istituto Nazionale a new name, Istituto Reale di Scienze, Lettere ed Arti; and the Institute was moved from Bologna to Milano. According to both the Istituto Veneto di Scienze, Lettere ed Arti website (), and the Istituto Lombardo, Accademia di Scienze e Lettere website (), after the lessening of power of Bonaparte (and the fall of the Kingdom of Italy), the Institute continued to exist under Austrian rule. Evidence from the change in name of the Memorie suggest that this change occurred around 1813, and that, at that time, the Institute took the new name Imperiale Regio Istituto del Regno Lombardo-Veneto. Finally, according to the Istituto Veneto di Scienze, Lettere ed Arti website (), in 1838, the current ruler, Emperor Ferdinando I of Austria, on the occasion of his coronation in Milan, divided the Institute into two, the Istituto Lombardo based in Milano, and the Istituto Veneto in Venezia.
Seat of the Society
City	Authority / Notes
Bologna, then Milano Italy	According to the Istituto Veneto di Scienze, Lettere ed Arti website (), the first seat of the Institute was set at Bologna, but it was moved in 1810 to Milano.
Name of the Society
Dates	Name	Authority
1802 - 1810	Istituto Nazionale Italiano	The Istituto Veneto di Scienze, Lettere ed Arti website () gives the start date and the name Istituto Nazionale; its publications from 1806 give the fuller name Istituto Nazionale Italiano. The date of the name change is given by both the Istituto Veneto di Scienze, Lettere ed Arti website (), and the Istituto Lombardo, Accademia di Scienze e Lettere website ().
1810 - 1813	Reale Istituto di Scienze, Lettere ed Arti	The start date and name is given by the Istituto Veneto di Scienze, Lettere ed Arti website (); the start date of the next name is given by its publications.
1810 - 1813	Istituto Reale di Scienze, Lettere ed Arti	The start date and name is given by the Istituto Lombardo, Accademia di Scienze e Lettere website (); the start date of the next name is given by its publications.
1813 - 1838	Imperiale Regio Istituto del Regno Lombardo-Veneto	Its publications.

Journals of the Society
Years	Full Journal Title	Abbrev.
1806 - 1810 (T.1, parte 1 - t.2, parte 2)   A	Memorie dell'Istituto Nazionale Italiano. Classe di Fisica e Matematica According to the record in the Bibliot. Nat. France cat., the volumes in this run have the imprint: Bologna : Fratelli Masi, 1806-1810. RSLC, v.1, p.xxi refers to the existence of a New Series, Vol.1 (1813). Merged with B to form C. Indexed Reuss & Pogg. & RSLC [Bibliot. Nat. France cat.]	Atti Istit. Bologna [Pogg., v.1, col.318 cites an article by Vincenzo Brunacci in 1806; the corresponding entry in RSLC, v.1, p.678 gives the journal-title abbrev. as Bologna, Mem. Ist. Naz. Ital.] Atti Istit. Nazional. Ital. [Pogg., v.1, col.360 cites an article by Andrea Cagnoli in I. 1806; the corresponding entry in RSLC, v.1, p.757 gives the journal-title abbrev. as Bologna, Mem. Ist. Naz. Ital.] Bologna, Mem. Ist. Naz. Ital. [RSLC, v.1, p.xxi] Mem. dell'Istituto Nazion. Italiano: Cl. Fis. e Matem. [Reuss, v.10, p.112 cites T.I. P.I.] Mem. dell'Istituto Nazionale Italiano: Cl. Fisica e Matem. [Reuss, v.10, p.112 cites T.I. P.2.] Mem. Inst. nat. Ital. [Pogg., v.1, col.371 cites I, 1806 and II, 1810.] Mem. Istit. nat. Ital. [Pogg, v.1, col.54 cites T. I, II, which are some articles by Michele Araldi that are also listed in RSLC, v.1, p.85 as published between 1806 and 1808 in Bologna, Mem. Ist. Naz. Ital. (Classe di Fisica e di Matematica).] Memor. dell' Istituto Italiano: Cl. Fisica e Matemat. [Reuss, v.10, p.84 cites T.I. P.I.] Memorie dell' Istituto Naz. Italiano. Cl. Fisica e Matemat. [Reuss, v.10, p.7 cites T.I. P.2.]
1809 - 1813 (T.1, parte 1 - parte 2)   B	Memorie dell'Istituto Nazionale Italiano. Classi di Scienze Morali, Politiche, ec., di Letteratura, Belle Arti, ec. According to the record in the Bibliot. Nat. France cat., the volumes in this run have the imprint: Bologna : Fratelli Masi, 1809-1813. Merged with A to form C. [Bibliot. Nat. France cat.]
1812/1813 - 1838 (Vol.1 - vol.5)   C	Memorie dell'Imperiale Regio Istituto del Regno Lombardo-Veneto According to the record in the Bibliot. Nat. France cat., the volumes in this run have the imprint: Milano : Imp. regia stamperia, 1819-1838. Formed through the merger of A and B. Split into Memorie dell'I. R. Istituto Lombardo di Scienze Lettere ed Arti, and Memorie dell'I. R. Istituto Veneto di Scienze, Lettere ed Arti. Indexed Pogg. & RSLC [Bibliot. Nat. France cat.]	Atti dell' Istit. d. Regno Lomb. Veneto [Pogg., v.1, col.380 cites an article by Francesco Carlini in T. I; the corresponding entry in RSLC, v.1, p.788 gives the journal-title abbrev. as Milano, Mem. Ist. Lomb. Veneto.] Atti di Modena [Pogg., v.1, col.356 cites an article by Antonio Caccianino with no date or volume number; the corresponding entry in RSLC, v.1, p.751 gives the reference as Milano, Mem. Ist. Lomb. Veneto, I., 1812-13.] Mem. Ist. Regn. Lomb. Venet. [Pogg., v.1, col.483 cites II, 1821.] Mem. Istit. Lomb. Venet. [Pogg, v.1, col.55 cites I. 1819.] Mem. Istit. Milano [Pogg., v.1, col.318 cites 1822.] Mem. Istit. Regn. Lomb. [Pogg., v.1, col.380 cites T. V.] Mem. lombard. venet. [Pogg., v.1, col.288 cites 1838.] Milano, Mem. Ist. Lomb. Veneto [RSLC, v.1, p.lii]