belle epoque

< /ˈbɛl eɪˈpɔk/. French.

1. the period (1871–1914) between the end of the Franco-Prussian War and the outbreak of World War I, characterized by relative peacefulness in Western Europe and by marked advances and productivity in the arts, literature, technology, etc.

noun

1. the period of comfortable well-established life in Europe before World War I