Coligny calendar

Calendar found in Coligny, Ain, France, in 1897 Coligny calendarReconstruction of the Coligny calendarTypePlaque, lunisolar calendarMaterialBronzeHeight78 cm (31 in)Width134.8 cm (53.1 in)WritingGaulish language using Latin scriptCreated2nd century CEDiscovered1897Coligny, Ain, FrancePresent locationGallo-Roman Museum of Lyon-Fourvière, Lyon, FranceCultureRoman Gaul The Coligny calendar is a bronze plaque with an inscribed calendar, made in Roman Gaul in the 2nd century CE. It lays out a 5-year cycle of a lunisolar calendar, each year with 12 lunar months. An intercalary month is inserted before each 2.5 years. It is the most important piece of evidence enabling the reconstruction of an ancient Celtic calendar. The calendar was found in 1897 in France, in Coligny, Ain (near Lyon), along with broken pieces of a life-size bronze statue of a nude male holding a spear, likely meant to portray Mars, the Roman god of war. Approximately 40% of the original calendar remains in the form of fragments. It was engraved on a bronze tablet, preserved in 73 fragments, that was originally 134.8 cm wide by 78.0 cm high. With the rim attached the plate measured 52 by 32 unciae Drusianae (2.75 cm to