The Number 303: Properties and MeaningsPrime Factors of 303=3x101.
303 is a 102-gonal Number.
303=the numbers of bipartite graphs on 8 nodes.
The Year 303 ADIn the year 303 AD Emperor Diocletian ordered the general persecution of Christians in Rome.
In the year 303 AD Lactantius, an early Christian writer, said that Romula, mother of Roman emperor Galerius, encouraged her son to persecute Christians in this year.
In the year 303 AD St. George, dragon-slaying knight, died. He was made the patron saint of England in the 14th century.