LOCATION@1 is frequently mentioned in conjunction with PERSON@1 , because MISC@1 possession of parts of these two régions -LRB- as the province LOCATION@2 , NUMBER@1 -- NUMBER@2 -RRB- was contested in the 19th and 20th centuries , during which LOCATION@1 changed hands four times between LOCATION@3 and LOCATION@4 in NUMBER@3 years .

LOCATION@1 is frequently mentioned in conjunction with PERSON@1 , because the possession of these two régions -LRB- as LOCATION@2 -RRB- has been often contested in 19th and 20th century history .
