id,year,endyear,lon,lat
1,0352 BC,0300 BC,1,1
2,0400 BC,0001 AD,1.1,1.1
3,0200 BC,0190 BC,1.2,1
4,0200 AD,1000 AD,1,1.2
5,0010 BC,0002 AD,1.1,1.3
