18 Jul 1963: The parliament of North Rhine-Westphalia decides to found a university in Bochum
1965: Start of construction of the Ruhr-University Bochum
30 Jun 1965: Ceremonial opening of the Ruhr-University Bochum
01 Oct 1966: Start of preparatory works to create a Botanic Garden at the Ruhr-University Bochum
01 Apr 1968: Recruitment of the first gardener and the first curator; beginning of acquistion of woody plants
Oct 1969: First glasshouse operational, getting started with the 2,5 ha large propagation and experimentation field
Jan 1970: Start of construction of the operational building an the glasshouses for propagation and experimentation
Jan 1971: Start of the second phase of construction of the outdoor areas of the Botanic Garden (Alpine Garden, Systematic Botany, Geobotany)
15 Jun 1971: Inauguration and opening of the completed areas of construction phase 1 (propagation area, useful plants, biological plant communities, 3 glasshouses)
15 Dec 1971: Move into the operational building with offices and staff rooms
Aug 1972: Completion of construction of the glasshouse complex for propagation and experimentation
Oct 1972: Completion of construction phase 2 of the outdoor areas (Alpine Garden, Systematic Botany, Geobotany)
May 1975: Start of construction of the Tropical Glasshouse; first-time planting in the Alpine Garden, Dune, Heath and Native Forest Communities
1976: Completion of the Tropical Glasshouse (713 sqm, 17 m clear height); first apprentice gardeners
04 Apr 1977: Opening of the Tropical Glasshouse
1980: Construction of the outdoor Infomation Centre (3 wooden pavilions covering 150 sqm); start of construction of the first Cloud Forest House
1983: Construction of the second Cloud Forest House
1984: Contruction of the Alpine House (140 sqm)
1985: Refurbishment of the roof of the Tropical Glasshouse
1987: Construction of the third and fourth Cloud Forest House
1988: Publication of the first guide book about the Botanic Garden
Sep 1988: Completion of the Desert House (400 sqm) to celebrate the 20th anniversary of the Botanic Garden on 20 Sep 1988
1990: Eröffnung des Chinesischen Gartens "Qian Yuan" im südchinesischen Stil innerhalb des Botanischen GartensOpening of the Chinese Garden "Qian Yuan" inside the Botanic Garden
1988: The Botanic Garden goes online
2000: Foundation of the charity "The Chinese Garden e.V." to support the urgent restortation of the Chinese Garden
Spring 2001: Restoration of the Chinese Garden
Autumn 2001: Re-opening of the Chinese Garden; opening of the Savannah Houses to display the flora of Australia and South Africa
2004: Publication of the second guide book
BOTANISCHER GARTEN DER RUHR-UNIVERSITÄT BOCHUM
KONZEPT UND THEMEN DES FREILANDS IN 75 TAFELN
by Annette Höggemeier & Bernd Kirchner
Aug 2004 - Sep 2005: Renovation and re-opening of the Tropical Glasshouse
2009: Publication of the third guide book
BOTANISCHER GARTEN DER RUHR-UNIVERSITÄT BOCHUM
BOTANISCH-DENDROLOGISCHE STREIFZÜGE
by Veit Dörken & Annette Höggemeier
2015: Publication of a history of the Botanic Garden
DER BOTANISCHE GARTEN
PLANUNG UND AUFBAU 1964-1989
by Karl Esser
10 & 11 Sep 2017: First ever Titan Arum (Amorphophallus titanum, Araceae) flowering event in Ruhrgebiet at the Botanic Garden of the Ruhr-University Bochum
16.06.2019: Erster "Tag der offenen Tür" im Botanischen Garten
03 Dec 2019: The founder of the Botanic Garden, Prof. Dr. Dr. h.c. mult. Karl Esser, dies at the age of 95