Bernardino da Polenta (died April 22, 1313) was lord of

Cervia Cervia ( rgn, Zirvia) is a seaside resort town in the province of Ravenna, located in the northern Italian region of Emilia-Romagna. Cervia is a major seaside resort in Emilia-Romagna, North Italy. Its population was 28,700 at the 2018 census. ...

from 1297 until his death. He was the son of

Guido I da Polenta Guido I da Polenta (died 1310) was lord of Ravenna from 1275 until his abdication in 1297. The son of Lamberto da Polenta, he was ousted from Ravenna by the imperial troops in 1240. When the city was returned to the Papal States in 1248, Guido was ...

. In 1302–1305, he waged war to

Cesena Cesena (; rgn, Cisêna) is a city and ''comune'' in the Emilia-Romagna region of Italy, served by Autostrada A14, and located near the Apennine Mountains, about from the Adriatic Sea. The total population is 97,137. History Cesena was o ...

for the possession of Cesenatico, and in 1303 fought with

Florence Florence ( ; it, Firenze ) is a city in Central Italy and the capital city of the Tuscany region. It is the most populated city in Tuscany, with 383,083 inhabitants in 2016, and over 1,520,000 in its metropolitan area.Bilancio demografico an ...

Mugello The Mugello is a historic region and valley in northern Tuscany, in Italy, corresponding to the course of the River Sieve. It is located to the north of the city of Florence and includes the northernmost portion of the Metropolitan City of Flo ...

. In 1308 he was shortly

lord of Ferrara The Duchy of Ferrara ( la, Ducatus Ferrariensis; it, Ducato di Ferrara; egl, Ducà ad Frara) was a state in what is now northern Italy. It consisted of about 1,100 km2 south of the lower Po River, stretching to the valley of the lower Reno ...

in opposition to

Azzo VIII d'Este Azzo VIII d'Este (died 31 January 1308) was lord of Ferrara, Modena and Reggio from 1293 until his death. He inherited the family lands from his father, Obizzo II, whom Dante suggested in the ''Inferno'' he had assassinated. The Florentine poet c ...

. In 1312, he fought alongside his brother Lamberto, lord of

Ravenna Ravenna ( , , also ; rgn, Ravèna) is the capital city of the Province of Ravenna, in the Emilia-Romagna region of Northern Italy. It was the capital city of the Western Roman Empire from 408 until its collapse in 476. It then served as the cap ...

, and

Robert of Anjou Robert of Anjou ( it, Roberto d'Angiò), known as Robert the Wise ( it, Roberto il Saggio; 1276 – 20 January 1343), was King of Naples, titular King of Jerusalem and Count of Provence and Forcalquier from 1309 to 1343, the central figure of Ita ...

, against

Emperor Henry VII Henry VII (German: ''Heinrich''; c. 1273 – 24 August 1313),Kleinhenz, pg. 494 also known as Henry of Luxembourg, was Count of Luxembourg, King of Germany (or '' Rex Romanorum'') from 1308 and Holy Roman Emperor from 1312. He was the first empe ...

See also