create alias 1st_century_bc (6) -> 1st_century_bce (0)
create alias 2nd_century_bc (0) -> 2nd_century_bce (0)
create alias 3rd_century_bc (0) -> 3rd_century_bce (0)
create alias 4th_century_bc (0) -> 4th_century_bce (0)
create alias 5th_century_bc (0) -> 5th_century_bce (0)
create alias 6th_century_bc (3) -> 6th_century_bce (0) # has blocking transitive relationships, cannot be applied through BUR
create alias 7th_century_bc (0) -> 7th_century_bce (0)
create alias 8th_century_bc (0) -> 8th_century_bce (0)
create alias 9th_century_bc (0) -> 9th_century_bce (0)
create alias 10th_century_bc (0) -> 10th_century_bce (0)
create alias 11th_century_bc (0) -> 11th_century_bce (0)
create alias 12th_century_bc (3) -> 12th_century_bce (0)
create alias 13th_century_bc (1) -> 13th_century_bce (0)
create alias 14th_century_bc (0) -> 14th_century_bce (0)