Florence

Grand Duchy of Tuscany de facto · 1789 – March 19, 1801 (from the border data)
Kingdom of Etruria de facto · March 21, 1801 – December 9, 1807 (from the border data)
France de facto · December 10, 1807 – May 23, 1808 (from the border data)
France de facto · October 14, 1808 – April 12, 1814 (from the border data)
Grand Duchy of Tuscany de facto · June 9, 1815 – December 7, 1859 (from the border data)
Kingdom of Sardinia de facto · March 24, 1860 – March 17, 1861 (from the border data)
Italy de facto · March 17, 1861 – September 7, 1943 (from the border data)
Germany de facto · September 9, 1943 – August 24, 1944 Military occupation (from the border data)
Italy de facto · since August 25, 1944 (from the border data)

Grand Duchy of Tuscany September 6, 1569 – March 22, 1860 From Wikidata (capital, P36)
Kingdom of Etruria March 21, 1801 – December 10, 1807 From Wikidata (capital, P36)
Italy 1865 – 1871 From Wikidata (capital, P36)