Ancient Roman calendars went through a number of improvements, in particular taking the old calendar made of ten months only to twelve months to complete the solar year. The Julian calendar reformed under Julius Caesar was extremely similar to our own.
This image, taken from an antique book of historical dates, numbers, inscriptions & astronomical events. Printed in Paris, France in 1763. “Tablettes Chronologiques de l’Histoire Universelle, Sacree et Prophane, Ecclesiastique et Civile, Depuis la Creation du Monde justqu’a l’an 1762.” by Abbot Lenglet Dufresnoy. Book 1: Ancient History.
The months of July and August – Julius and Augustus – are particular in that they have the name of two great Roman leaders:Julius Caesar and Emperor Augustus. As with the months of september onwards these months were previously named according to their position in the original ancient Roman calendar (ie the fifth and sixth month).
| January and February | March and April | May and June | July and August | September and October | November and December |