What was the mood of people in Europe at the onset of World War 1?

At the onset of World War I, the mood in Europe was largely characterized by a mix of nationalism, excitement, and a sense of inevitable conflict. Many people believed the war would be short and glorious, fueled by patriotic fervor and a desire to assert their national identity. However, there was also an undercurrent of anxiety and uncertainty, as the complex web of alliances and tensions hinted at the potential for widespread devastation. Ultimately, the prevailing sentiment was one of optimism that quickly turned to disillusionment as the realities of the war set in.