By disposition of the Commission of National Education, Jan Dominik Jaśkiewicz founds the Natural History Cabinet. For the next 184 years, it will be located in Collegium Physicum at 6 St. Anny Street in Cracow.
Franciszek Scheidt augments the collection with a herbarium.
Baltazar Hacquet donates his mineralogical collection to the Cabinet.
Alojzy Rafał‚ Estreicher divides the Natural History Cabinet into two sections, the Mineralogical Cabinet and the Zoological Cabinet. He purchases Baltazar Hacquet's collection. Together with the donation of rev. Kajetan Sołtyk the collections of both cabinets now count about 10,000 items.
Napoleon Czerwiakowski augments the collection with specimens of exotic mammals, including an armadillo and a platypus.
Ludwik Zejszner expands the Mineralogical Cabinet and organizes a new exhibition there.
Edward Oskar Schmidt introduces the name Zoological Museum (used interchangeably with the Zoological Cabinet).
Kamil Heller begins listing the inventory of the collection.
Maksymilian Siła-Nowicki enlarges the Museum's collection, creates a collection of insects and finishes listing the inventory.
Antoni Wierzejski augments the collection with marine invertebrates.
Michał Siedlecki augments the collection with specimens acquired during his scientific expeditions to Java and Ceylon (flying frogs and lizards among others).
During the Nazi occupation the University is closed. Part of the Museum's collection is hidden away and survives the war.
Zbigniew Kawecki is appointed Curator of the Museum.
Stanisław Smreczyński is appointed Director of the Department of Systematic Zoology and of the Museum.
The Museum is relocated from 6 St. Anne's Street to the new building of the Collegium Zoologicum at 50 Krupnicza Street (now 6 Ingardena Street).
Wiktor Micherdziński creates the Museum's present exhibition - The World's Fauna Panorama.
Janusz Wojtusiak is appointed Director of the Zoological Museum. B. Śmiałowska, K. Smagowicz, K. Beiersdorf, A. Falniowski and E. Pyza together complete the Panorama exhibition.
Bolesław Raczka, a Polish expatriate living in Canada, donates his collection of marine molluscs to the Museum.
Roman Tertil from the Institute of Environmental Sciences donates his collection of butterflies from north-western Nigeria (the Sokoto region) to the Museum.
Janusz Wojtusiak donates his collection of African butterflies acquired during his field studies in Nigeria in 1982-1986.
The Prorector of the University, Janusz Sondel, gives the cellars of Collegium Iuridicum to the Museum. Exhibitions of marine mollusc shells, butterflies and fossils (donated by Jerzy Małecki and Radosław Tarkowski) are open to the public there.
The Museum takes over a large collection of butterflies belonging to the late Roman Wojtusiak, a professor of the University.
The Museum organizes a scientific excursion to the Saint Thomas and Principe islands. Valuable specimens of endemic species of butterflies are acquired for the collection.
The Museum begins a long-term study of the biodiversity of butterflies in the South American rainforest and collects specimens of neo-tropical fauna.
elebrating the 600th anniversary of the renewal of the University, the Museum takes part in "The Treasures of the University" exhibition in Collegium Maius.
Tomasz Pyrcz donates his collection of butterflies from Africa, Asia, South America and Europe.
The Museum organizes the exhibition "The Butterflies of Equador" in Guayaquil, Equador and takes part in the conference "Bio-diversity and preservation of butterflies in Equador". Within 3 weeks, the exhibition attracts 12,000 visitors.
The Museum, in co-operation with Instituto Venezolano de Investigaciones Cientificas (IVIC) in Caracas, organizes a field study in the Cordillera de Merida mountain ranges in Venezuela. Participants include dr Tomasz W. Pyrcz (MZUJ), dr Angel Viloria (IVIC), Pierre Boyer (Le Puy Sainte Reparade), and Mauro Costa (Caracas).
The Museum takes part in a conference summing up the four-year project "Tropical Andean Butterflies Diveristy" (see: www.andeanbutterflies.org). The conference is held in Urubamba, Peru, and its programme includes a field study in the Cuzco department (Kayce Casner from the University of California, Pierre Boyer from Le Puy Sainte Reparade, and Michel Dottax were among the participants), as well as a study of the biodiversity of butterflies in the Waygecha Biological Station in the Kosnipata Valley.
In co-operation with the Natural History Museum in Cochabamba and the Prometa Foundation on Tarija, the Museum organizes a field study in the mountain raiforests in the Tarija and Cochabamba departments in Bolivia.
Field studies in Chile, co-organized and co-funded by the Middle Tennessee State University in Murfseesboro, conducted in the Valdivian temperate rainforests in central-southern Chile and the patagonian steppes on the Argentinian border.
Dr Tomasz W. Pyrcz conducts a seminar at Universite de Provence in Marseille on the morphological and behavioral adaptations of animals to mountainous environments.
Death of Janusz Wojtusiak. Tomasz Wilhelm Pyrcz becomes new head of the Museum.