Derry has been dubbed as the Maiden City due to its strong walls that have never been breached in battles. Its walls throughout the centuries are still standing and in good condition. It is known as one of the best-preserved in Europe.

During the battle of the Irish people for their independence, also known as the Irish War of Independence, in 1919, Cork played a prominent role in terms of fighting and a fortress of anti-treaty during the Irish Civil War in 1922.

The Irish rebellion in 1916, also known as the Easter Rising, happened in April 1916. The rebellion was started by Irish republicans to abolish British rule and establish the independent Irish Republic.

The Act of Union that aimed to unite the parliaments of Great Britain and Ireland to create a United Kingdom of Britain and Ireland commenced on January 1st, 1801.

Wolfe Tone was an Irish revolutionary who led the Irish Rebellion of 1798. He was captured in Donegal County in 1798 and was sentenced to death.

The Great Famine that caused millions of deaths throughout Europe was caused by a natural event called potato blight that infected crops during the 1840s and ended in the year 1849.

Hibernia, which means "the land of winter," was the first Latin name of Ireland given by Tacitus, a Roman historian, in 98 AD.

The Great Famine happened in 1845 in Ireland. It was also known as the Irish Potato Famine, where Irish people suffered starvation and disease. About one million died, and millions of people emigrated, causing the country's population to fall.

In 1919, the Irish Republic, a rebellious state in Ireland, stated and claimed itself free from the United Kingdom. In 1949, Ireland formally became a Republic after a law was passed to give the President of Ireland the right to have the executive authority of the state and its external relations.

Daniel O'Connell fought for Irish Catholics' freedom from the restraints of British laws. O'Connell was a part of the government in Dublin.