In 1923 , the Austrian Count Richard von Coudenhove - Kalergi founded the Pan-Europa Movement .
In 1923 , the Austrian Count Richard von Coudenhove - Kalergi hosted the First Paneuropean Congress , held in Vienna in 1926 .
In 1923 , the Austrian Count Richard von Coudenhove - Kalergi founded the Pan-Europa Movement and hosted the First Paneuropean Congress , held in Vienna in 1926 .