But on January 1st, 1922, the OS of Northern Ireland was established in Belfast, while on April 1 st that year the OS of the Free State came into being, known as Ordnance Survey Ireland.

The first map of Ireland, created back in 140AD was drawn up by Claudius Ptolemy, a man who had never visited the country. According to history, the mathematician, astronomer, astrologer ...

Read More - 1901 Irish census published online. Ordnance Survey Ireland has launched an updated version of all their maps. As of next week, the collection of national maps online will range from ...

A Surrealist's Map of Ireland. ... On Paul Eluard's celebrated 'Surrealist map of the World' published in 1929, the island features in gargantuan scale, looming over its little Britain brother.