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The Hertensteiner Cross (Hertensteiner Kreuz) was used as a flag by the federalist movements from 14 to 24 September 1946 in Hertenstein, Switzerland.
The symbol was designed by the Sculptor Hedwig Frei, and was the first sign used when the Swiss "Europa Union" was founded in 1934. It shows a mirrored double E, which is supposed to symbolise the unification of Europe.
When the 
The Hertensteiner Cross (Hertensteiner Kreuz) was used as a flag by the federalist movements from 14 to 24 September 1946 in Hertenstein, Switzerland.
The symbol was designed by the Sculptor Hedwig Frei, and was the first sign used when the Swiss "Europa Union" was founded in 1934. It shows a mirrored double E, which is supposed to symbolise the unification of Europe.
When the Union of European Federalists
The Union of European Federalists (UEF) is an international non-profit association originally founded in 1946 and refounded in 1973, promoting the advent of a European federal State based on the idea of unity in diversity.
In 1946, it brought ...
(UEF) was founded, whereby 31 federations of European Federalists from 14 countries had joined together to form an umbrella organisation, the "Hertensteiner Cross" was used as a symbol. The adoption of the Hertensteiner Programme marked the beginning of an international preparation of the European Movement.
References
Activism flags Flags of Europe Flags introduced in 1946 Flags with crosses {{Europe-flag-stub