Birth of Gustav Clauss in Seltmanns, Ober Allgäu, Bavaria.

Gustav Clauss arrived in Patras as Director of the Raisin Export Department of the German company Fels & Co.

First land purchase of 60 royal stremmas (approx. 82,000 m²) in the Riganocampos area by Gustav Clauss.

Official start of the winery’s professional activities.

Collaboration between G. Clauss and winemaker Jacob Klipfel.

Formation of the joint-stock company "Achaia". Participation in funding the construction of the Apollon Theater in Patras.

Gustav produces the first vintage of sweet famous Mavrodaphne. He documents various winemaking methods in his recipe book. On page 601, the final method for producing Mavrodaphne is written.

Construction of the Orthodox chapel of St. Thomas within the Estate

Purchase of two large carved wooden barrels with a capacity of 13,195  liters each from Trieste. Order of Mavrodaphne by composer Franz Liszt.

First bottling of white Demestica, a wine destined to become a legendary best-seller in Greece and abroad. For over a century, it remains one of the top preferences in both the Greek and international markets. Construction of the Catholic chapel on the Estate.

Death of Gustav Clauss during his return journey from Munich to Patras, as the ship entered the port of Corfu. He was buried in the land of his second homeland, Gutland, at the chapel of Apostle Thomas.

Introduction of the first steam engine with a separate boiler. This marks the beginning of mechanization, replacing manual operation of grape crushers (the so-called “faganes”).

Purchase of an integrated external combustion engine (40 horsepower) from VOLF factories and new grape crushers, enabling the largest harvest of that era.

Raisin trader Vlassis Antonopoulos purchases shares of the winery, which had been put up for international auction by the Greek State. His descendants continue the business for three generations.

Dinos Antonopoulos takes over the management.

First bottling of Santa Helena.

Archaeological excavation: archaeologist Kyparissis discovers a series of tombs and artifacts on the estate.

Installation of a radio by the organized resistance workers at the winery.

Overnight stay at the estate by an ELAS unit for the capture of Patras.

Construction of the main gate of the estate, designed by K. Klonis, set designer of the National Theatre.

Death of Vlassis Antonopoulos.

Konstantinos Antonopoulos plants and cultivates the first vineyard in Vasiliko, Achaia.

The "Antonopoulos Vineyards" winery was founded by Konstantinos A. Antonopoulos.

Production and release of "Ampelochora," the first wine from the Antonopoulos Vineyards winery.

Production and bottling of "Cabernet - Nea Drys." Creation of the "Private Collection."

Production and bottling of the first white wine from the "Antonopoulos Vineyards" winery, "Orina Ktimata" from the Moschofilero variety.

Death of Konstantinos Antonopoulos. Buyout of the winery's shares by Yiannis and Nikos Chalkias

Production and bottling for the "Antonopoulos Vineyards" winery of the wine "Morfeas" from Mavrodaphne variety.

Transfer of the production of all commercial codes of Achaia Clauss, except for the sweet Mavrodaphne , to abroad (Germany).

Nikolaos Karapanos takes over the management of the "Antonopoulos Vineyards" winery. Achaia Clauss and Antonopoulos Vineyards form a new wine "family."

The winery "Castro Clauss" was founded by the President and CEO Nikolaos Karapanos, with the aim of producing handcrafted wines with the complete absence of electricity throughout the entire production process. Production of dry single-varietal wines from the Mavrodaphne and Syrah varieties for the Castro Clauss series.

Sealing of a sweet Mavrodaphne barrel, vintage 2018, intended to be unsealed in the year 2118.

Return of Achaia Clauss's production activities in Greece.