1863 – Berchtold was born on 18th of April.
1893 – Berchtold joined the diplomatic corps.
1907-1912 – He was appointed ambassador to Russia, serving in St. Petersburg.
1912-1915 – He was appointed Austro-Hungarian foreign minister.
1915 – He was forced to resigned, Berchtold was replaced as foreign minister by the more pugnacious Baron Istvan Burian.
1942 – Count Leopold von Berchtold died on the 21st of November near Csepreg, Hungary.
1969 – He was portrayed by Sir John Gielgud in the film "Oh! What A Lovely War."