1071 Referred to in a document by Bishop Altmann of Passau as Ebilsperch.
1159 mentioned as ?castrum?
1245 Together with the nobles of Schaumburg, Ebelsberg attacked and defeated Duke . Friedrich of Austria
1250 Although Ebelsburg ruled over 72 agricultural commodities at this time, from Linz , Enns, St Florian, Ansfelden, Traun and Eferding, it was firmly in the hands of the Passauer Bishops and therefore at a disadvantage.
1251 Duke Ottokar of Bohemia, on his march to Vienna, was informed that Ebelsberg
had always been in the possession of the Passauer bishops.
1256 terminations of the structural work at the badly damaged lock through Ortolf of Volkensdorf, the largest creditor of the Passauer bishops and at that time lord of lock
1257 Archbishop Otto v. Lohnsdorf is able to redeem the village and castle from the dominance of Volkensdorf. As documented, the castle had always been in the possession of the Passauer bishops since the middle of the 12th century, and had counted as their preferred stay.
.1276 Rudolf von Habsburg and his knights stayed at the castle prior to their expedition against King Ottokar.
1444 first precise description of the lock. In a letter from the Enae Silvio Piccolomini, who, with King Friedrich IV, enjoyed the hospitality of the sovereign Archbishop Leonhard of Passau on the 22.6.1444, he enthuses among other things: ?... If I were to be given a castle as a residence, in which I could recuperate, this one would please me the best ...."
1546 Bishop Wolfgang, Count Salm, responsible for rebuilding after destruction through fire. (Panel mentioning this on the gate leading to village)
1553 mentioned by Caspar Brusius
1586 Castle, market and bridge once again ruined by flames. Bishop Urban of Trennbach immediately started reconstruction, which was completed within three years (panel at the castle gate)
1594 from this date images of castle and market are often to be found in documents.
1626 insurrection of farmers. On the 25.7.1626 the imperials stormed Castle Ebelsberg only to have the local population complain that more damage was done by them than by the peasants.
1664 construction of a kitchen made out of wood on the fort to cater to guests. Duke Karl Joseph of Austria was responsible for the Castle at this time.
1670 Ebelsberger URBAR. Extensive painting by Clemens Beutler .
1783 construction of theatre/stage by Hugo von Steyrer. First operas performed.
Wolfgang Amadeus Mozart is guest at one of these performances which all of Linz attended.
1784 the Passau diocese had to relinquish all its rights in Austria.
1803 19 years later due to the secularisation of the German church, the castle and its ownership fall to the Austrian crown.
1809 on the 3rd of May, during a five-hour battle between the Austrians and the French, the castle is once again engulfed in flames, and under the dominance of the Austrians remains in ruins.
1824 the castle, grounds and its 554 tenants are to be sold for 119,593 fl.
Karl Theodor Kast of central Franconia buys 1825 tenure. For 96,000 fl
1826 reconstruction of castle and grounds begins
1848 after nearly 50 years of careful reconstruction and buying of lands, castle Ebelsberg is once again a prominent property. Karl Theodor Kast died on the 19th February at the age of 80.
1875 his successor was his son Llewellyn Baron Kast.
1885 Baron Kast died on the 6th of April and was succeeded by his widow, Baroness Sophie Kast.
1903 Baroness Kast was succeeded by her son Baron Micheal Kast, the agricultural minister, consult and owner of the grandcross of the ?eisernen Kronenordens?.
1932 After Baron Micheal Kast?s death in 1932, he was succeeded by his brother Baron Johann Kast who took charge until his death in 1955.
1955 daughters Baroness Anna Kast and Baroness Sophie Morsey inherited the castle from their father, and as they had no heirs Baron Llewellyn Kast and his wife in took on the castle
1974 to maintain upkeep of the castle and its grounds, Baron Llewellyn Kast established the KULTURVEREIN SCHLOSS EBELSBERG, and with public support and his own resources finances the continued upkeep and has saved the castle from ruin.
Schloss Ebelsberg is available for exhibitions, musical, folk and cultural events.