Airdrie Public Observatory was created in 1896.
Modra Observatory was created in 1988.
Manila Observatory was created in 1865.
Stellafane Observatory was created in 1924.
Madras Observatory was created in 1786.
Red Barn Observatory was created in 2006.
Fox Park Public Observatory was created in 1999.
Airdrie Transit was created in 1980.
Airdrie railway station was created in 1862.
Airdrie United F.C. was created in 2002.
Airdrie Savings Bank was created in 1835.
Haleakala Observatory was created in 1961.
Dearborn Observatory was created in 1889.
Kiso Observatory was created in 1974.
Stellafane Observatory was created in 1924.
Steward Observatory was created in 1916.
Union Observatory was created in 1903.
Erbil Observatory was created in 1973.