Montreal Biosphere
Basic information
Originally the American Pavilion at the Universal and International Exhibition of 1967, better known as Expo 67 . In 1968 the building takes its name: the Biosphère
The building originally formed an enclosed structure of steel and acrylic cells, 76 metres (249 ft) in diameter and 62 metres (203 ft) high
The building included a 37-metre-long (121 ft) escalator, the longest ever built at the time.
From 20 May 1976 until 1990 ( wnen plan for develop was approved), site remain closed after the accidental fire during structural renovations. A fire burned away the building's transparent acrylic bubble.
On June 5 1995, it was inaugurated as a water museum, and in 2007 changed its name to become an environment museum.
On 12 April 2021, The operation of the museum is transferred to Space for Life.
Half birthday 
Next half birthday falls on
Age in different time units
Planet Age
How old Montreal Biosphere would be if it was opened on a different planet
- 19 days from now, May 18, 2026, Montreal Biosphere celebrate 96th Venus age
- 59 days from now, June 27, 2026, Montreal Biosphere celebrate exactly 710 months
- 88 days from now, July 26, 2026, Montreal Biosphere celebrate 246th Mercury age
- 114 days from now, August 21, 2026, Montreal Biosphere celebrate exactly 520,000 hours
- 124 days from now, August 31, 2026, Montreal Biosphere celebrate 5th Jupiter age
- 148 days from now, September 24, 2026, Montreal Biosphere celebrate exactly 3,100 weeks
- 176 days from now, October 22, 2026, Montreal Biosphere celebrate 247th Mercury age
- 181 days from now, October 26, 2026, Montreal Biosphere celebrate 60th half birthday
- 243 days from now, December 28, 2026, Montreal Biosphere celebrate 97th Venus age
- 264 days from now, January 18, 2027, Montreal Biosphere celebrate 248th Mercury age