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
- 3 days from now, September 24, 2026, Montreal Biosphere celebrate exactly 3,100 weeks
- 31 days from now, October 22, 2026, Montreal Biosphere celebrate 247th Mercury age
- 36 days from now, October 26, 2026, Montreal Biosphere celebrate 60th half birthday
- 98 days from now, December 28, 2026, Montreal Biosphere celebrate 97th Venus age
- 119 days from now, January 18, 2027, Montreal Biosphere celebrate 248th Mercury age
- 207 days from now, April 16, 2027, Montreal Biosphere celebrate 249th Mercury age
- 218 days from now, April 27, 2027, Montreal Biosphere celebrate 60th birthday
218 days from now, April 27, 2027, Montreal Biosphere celebrate exactly 720 months - 286 days from now, July 4, 2027, Montreal Biosphere celebrate 32nd Mars age
- 293 days from now, July 11, 2027, Montreal Biosphere celebrate exactly 1,900,000,000 seconds
- 295 days from now, July 13, 2027, Montreal Biosphere celebrate 250th Mercury age