All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Tuesday 12 March 1799 2
1799France declares war on AustriaThe War of the Second Coalition widensFrance declared war on Austria, bringing the Habsburg monarchy fully into the Second Coalition alongside Britain, Russia and the Ottoman Empire. Campaigns followed in Germany, Switzerland and Italy. By the end of the year the coalition had reversed most French gains in Italy.
1799France declares war on AustriaThe War of the Second Coalition widensFrance declared war on Austria, bringing the Habsburg monarchy fully into the Second Coalition alongside Britain, Russia and the Ottoman Empire. Campaigns followed in Germany, Switzerland and Italy. By the end of the year the coalition had reversed most French gains in Italy.