What is catherine ni houlihan?

"Cathleen Ni Houlihan" is a one-act play written by Irish poet and playwright William Butler Yeats and Lady Augusta Gregory. It was first performed in 1902 as part of the Abbey Theatre's inaugural season.

The play is set during the 1798 Rebellion in Ireland and tells the story of an old woman who symbolizes Ireland and calls on young men to fight for their country's independence. The character of Cathleen Ni Houlihan is often seen as a representation of the spirit of Ireland and the idea of sacrifice for the greater good.

The play is considered a seminal work in Irish literature and has been interpreted in various ways over the years, with some seeing it as a nationalist allegory and others as a commentary on Irish identity and sacrifice. "Cathleen Ni Houlihan" remains an important part of the Irish literary canon and is still studied and performed today.