Which list of the events which led to World War I are shown in the correct chronological

order?
1) The assassination of Archduke Franz-Ferdinand; 2) Austria-Hungary's ultimatum to
Serbia; 3) Russia's declaration of War on Austria-Hungary
1) Austria-Hungary's ultimatum to Serbia; 2) the assassination of Archduke Franz-
Ferdinand; 3) Russia's declaration of war on Austria-Hungary;
1) The assassination of Archduke Franz-Ferdinand; 2) Russia's declaration of War on
Austria-Hungary; 2) Austria-Hungary's ultimatum to Serbia;
1) Russia's declaration of war on Austria-Hungary; 2) Austria-Hungary's ultimatum to
Serbia; 3) the assassination of Archduke Franz-Ferdinand.

1) The assassination of Archduke Franz-Ferdinand; 2) Austria-Hungary's ultimatum to Serbia; 3) Russia's declaration of War on Austria-Hungary;