Charles IV of Hungary - Otto von Habsburg Foundation

The Battle of the Strait of Otranto According to the Novara Ship’s Logbook

2026.05.18

109 years ago, in May 1917, Miklós Horthy, commanding the light cruiser Novara, secured one of the Austro-Hungarian Navy’s greatest victories. Previously unknown details of this legendary naval engagement are revealed in the pages of the Novara’s ship’s logbook preserved in our collection. Richly illustrated, the document offers a deeper insight into the everyday life of the Imperial a

With Emperor and King Charles in Sopron

2026.04.07

On the anniversary of the death of the last Emperor and King, our traveling exhibition opened at the Sopron Archives.

Charles IV of Hungary: A Commemorative Volume

2026.02.27

With the collaboration of our Foundation, a new volume on the last Hungarian ruler has been published.

Investigating a Rare Order

2025.01.17

The Grand Cross of the Military Order of Maria Theresa, the decoration worn by András Hadik, who captured Berlin, Count Ferenc Nádasdy, Baron József Alvinczi and Charles I (IV), is for the first time placed in a public collection in Hungary, the Otto von Habsburg Foundation.

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