Emancipation also meant to stress the fact that all of the black slaves in the US (both north and south) are free people now. President also addressed people and soldiers explaining them that when a region of the confederate state or a whole state is taken; all of the slaves should be treated as free man and freed.
Saint Patrick's Day was made an official Christian feast day in the early 17th century and is observed by the Catholic Church, the Anglican Communion (especially the Church of Ireland), the Eastern Orthodox Church, and the Lutheran Church.
St. Patrick's Day has been observed as a religious festival in Ireland for over a thousand years, though it was only recognized as a celebration of Irish culture and heritage in the 1970s. The day is named in honor of St. Patrick, the patron saint of Ireland, who has been credited with bringing Christianity to Ireland. There are multiple origin stories for St. Patrick, but: Most sources agree that St. Patrick's actual name was Maewyn Succat.