#OTD #TDIH #March7, 321: #ConstantineI decrees the #Etruscan #EightDayWeek be replaced by the #SevenDayWeek & that #DiesSolisInvicti ( #DayOfTheInvincibleSun [ #Sunday]) be the #DayOfRest in the #RomanEmpire. #DaysOfTheWeek #SolInvictus #AncientRome #Calendars
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⚔️ On this day in 312 CE: Battle of the Milvian Bridge: The day after his famous Vision of the Cross, Constantine I (Constantine the Great) defeats Maxentius and becomes the sole Roman emperor in the West. 

🖼️ Painting: The Battle of the Milvian Bridge by Giulio Romano. 

#ConstantineI #History

Sculptural representations of the 3 coemperors

Sculptural representations of the 3 coemperors

Sculptural representations of the 3 coemperors

#OTD 337 AD, #ConstantineII, #ConstantiusII & #Constans succeeded #ConstantineI as co-emperors, splitting the #RomanEmpire into three. This set a precedent, eventually leading to a permanent division in 395 AD.

Statue of Constantine II, Rome
Bust of Roman Emperor Constantius II
Bust of Constans

👑 On this day in 337 CE: Constantine I (Constantine the Great) dies.

➡️ Read more about Constantine I here: https://www.worldhistory.org/Constantine_I/ 

📷 Photos by Dana Murray and Mark Cartwright. 

#ConstantineI #OnThisDay #History #Constantinople

#OTD #TDIH #March7, 321: #ConstantineI decrees the #Etruscan #EightDayWeek be replaced by the #SevenDayWeek & that #DiesSolisInvicti ( #DayOfTheInvincibleSun [ #Sunday]) be the #DayOfRest in the #RomanEmpire. #DaysOfRest #DaysOfTheWeek #SolInvictus #AncientRome #Rome
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