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
- 83 days from now, February 13, 2025, Montreal Biosphere celebrate 240th Mercury age
- 92 days from now, February 22, 2025, Montreal Biosphere celebrate 94th Venus age
- 156 days from now, April 27, 2025, Montreal Biosphere celebrate 58th birthday
- 171 days from now, May 12, 2025, Montreal Biosphere celebrate 241st Mercury age
- 220 days from now, July 1, 2025, Montreal Biosphere celebrate exactly 510,000 hours
- 259 days from now, August 8, 2025, Montreal Biosphere celebrate 242nd Mercury age
- 267 days from now, August 16, 2025, Montreal Biosphere celebrate 31st Mars age
- 278 days from now, August 27, 2025, Montreal Biosphere celebrate exactly 700 months
- 317 days from now, October 5, 2025, Montreal Biosphere celebrate 95th Venus age
- 339 days from now, October 26, 2025, Montreal Biosphere celebrate 59th half birthday