A question like that is impossible to answer as there are many things that happened in those 10 years. 10 years of Irish history is impossible to give in a simple answer. Even a list of the most important events of the 1970s would be very long. It would be very difficult even to pick one event out of each of the 10 years as being the most important.
Fourteenth Amendment of the Constitution of Ireland happened in 1992.
Third Amendment of the Constitution of Ireland happened in 1972.
St. Patrick came to Ireland.
Cars, vans and mini-buses.
Decimiaisation of currency happened in Ireland on the 15th of February, 1971.
Spanish Armada in Ireland happened in 1588.
Bruce campaign in Ireland happened in 1316.
There are 32 counties in Ireland, 6 of which are in the North (Northern Ireland) Does this help? Slan go foil
A referendum to allow it happened in 1996, and now there is divorce in Ireland.
Sixth Amendment of the Constitution of Ireland happened in 1979.
Seventh Amendment of the Constitution of Ireland happened in 1979.
Nineteenth Amendment of the Constitution of Ireland happened in 1999.