August 27, 1937

The first traffic lights in the Free State are installed at the junction of Merrion Square and Clare Street

August 27, 1825

African explorer William Blake born.

August 27, 1908

Birth of Niall Ó'Dónaill, Irish-language scholar and lexicographer, in the Rosses, Co. Donegal

August 27, 1798

Humbert appears outside Castlebar.

The Government forces are deployed to cover the direct route and Humbert unexpectedly appears on their flank. Humbert attacks. French advance causes Militia to run. Government defence collapses and Humbert takes the town