Airdrie Public Observatory was created in 1896.
Madras Observatory was created in 1786.
Modra Observatory was created in 1988.
Stellafane Observatory was created in 1924.
Manila Observatory was created in 1865.
Spanish National Observatory was created in 1790.
Fox Park Public Observatory was created in 1999.
Airdrie Transit was created in 1980.
Airdrie Savings Bank was created in 1835.
Airdrie railway station was created in 1862.
Airdrie United F.C. was created in 2002.
Morris Observatory was created in 1973.
Macfarlane Observatory was created in 1757.
Moore Observatory was created in 1978.
Behlen Observatory was created in 1972.
Jura Observatory was created in 1993.
Detroit Observatory was created in 1854.
Sphinx Observatory was created in 1937.