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 United F.C. was created in 2002.
Airdrie railway station was created in 1862.
Airdrie Savings Bank was created in 1835.
Jura Observatory was created in 1993.
Detroit Observatory was created in 1854.
Sphinx Observatory was created in 1937.
Ursa Observatory was created in 1926.
Carter Observatory was created in 1937.
Corralitos Observatory was created in 1961.
Stonyhurst Observatory was created in 1838.