1815 - Catholic Board

Daniel O'Connell delivered a crucial speech to the Catholic Board, outlining new strategies for emancipation. His address marked a shift toward more aggressive constitutional agitation. The meeting demonstrated O'Connell's growing influence within Catholic politics.

1890 - Parnell Leadership

The Irish Parliamentary Party's split over Parnell's leadership reached its climax in Committee Room 15. The majority voted to depose him following the O'Shea divorce scandal. This division would have lasting consequences for Irish nationalism.

1921 - Treaty Debate

The Irish delegation in London signed the Anglo-Irish Treaty after intense final negotiations. The agreement established the Irish Free State but maintained controversial links with Britain. The signing would lead to bitter debates in Dublin.

1968 - Civil Rights

The Northern Ireland Civil Rights Association announced plans for new demonstrations despite government opposition. The protests focused on housing discrimination and electoral reform. These peaceful marches marked a new phase in nationalist politics.

1998 - Peace Implementation

The parties to the Good Friday Agreement reached new understandings about power-sharing institutions. The breakthrough helped clear the way for establishing the Northern Ireland Executive. These developments marked important progress in implementing the peace agreement.