Question

From where the feeling of nationalism first started in which year

Answer 1

Nationalism is the ideological basis for the development of the modern nation-state. According to Leon Baradat, nationalism "calls on people to identify with the interests of their national group and to support the creation of a state - a nation-state - to support those interests."[1] It was an important factor in the development of Europe. In the 19th century, a wave of romantic nationalism swept the European continent, transforming its countries. Some newly formed countries, such as Germany and Italy were formed by uniting various regional states with a common "national identity". Others, such as Greece, Serbia, Poland, Romania and Bulgaria, were formed by uprisings against the Ottoman Empire and Russia. 

Answer 2

Nationalism is a political, social and economical system characterized by promoting the interest of a particular nation particularly with the aim of gaining and maintaining self-governance , or full sovereignty, over the group's homeland. Nationalism is the ideological basis for the development of the modern-state nation. In 1848 crisis had given nationalism its first full public airing, and in the 30 years that followed no fewer than seven new national states were created in Europe...