As one of the countries with the best environment in Europe, when was the Republic of Ireland completely independent?

Ireland was the first colony acquired by the British Empire in the process of its external expansion. However, after hundreds of years of management, Britain failed to completely absorb Ireland as it conquered Scotland and Wales, but could not digest it. After the two world wars, the British Empire, known as the "imperial empire", was badly weakened and could no longer maintain a huge global colonial system, even Ireland, which was close at hand, could no longer control it. In the end, Britain and Ireland compromised with each other and gained Irish independence at the expense of Northern Ireland.

Around 300 BC, the Celts, known as one of the three barbarians in Europe, came to Ireland to live with the local people and formed the ancestors of Ireland today. So Irish people are far from Anglo-Saxon Britain in blood and culture. But more similar and closer to the Scots.

/kloc-In the 6th century, King Henry VIII of England declared Ireland a British territory. During the period of King Edward VI of England of England, Britain immigrated to Ireland on a large scale for colonial rule. However, many years later, Ireland still did not give in to Britain. With the support of Spain, which fought against Britain at that time, Ireland fought against Britain everywhere, and Britain also carried out all kinds of cruel repression on Ireland.

After the industrial revolution, Britain's economy rose rapidly, but the gap between Britain and Ireland became wider and wider. When the proportion of modern industry in the British economy rose, the Irish economy became more and more dependent on agriculture, and a large number of Irish people emigrated overseas. Especially after the great famine in Ireland, the British people looked on coldly, which made the population of Ireland drop sharply, which also filled the hearts of the Irish people with hatred.

After World War I, Ireland launched the War of Independence, and Britain was severely weakened. In the end, the British who had no choice were forced to sign the Anglo-Irish Treaty with them. Of the 32 counties in Ireland, 26 in the south left Britain and 6 in the north stayed in Britain. So the Republic of Ireland was born, and Britain officially changed its name to "United Kingdom of Great Britain and Northern Ireland". In this way, Ireland officially broke away from Britain and became the third island country in Europe after Britain and Iceland. Due to the rapid economic rise, Ireland is known as the "European Tiger" and is one of the countries with the most developed economy and superior environment in Europe.