<Table> <Tr> <Th_colspan="2"> Balkan Wars </Th> </Tr> <Tr> <Td_colspan="2"> Prilep Battle 1912 Postcard </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> 8 October 1912--18 July 1913 (9 months, 1 week and 3 days) </Td> </Tr> <Tr> <Th> Location </Th> <Td> <Ul> <Li> Adrianople </Li> <Li> Scutari </Li> <Li> Kosovo </Li> <Li> Manastir </Li> <Li> Salonica provinces </Li> <Li> Aegean Islands </Li> <Li> Aegean Sea </Li> </Ul> </Td> </Tr> <Tr> <Th> Result </Th> <Td> <Ul> <Li> Treaty of London </Li> <Li> Treaty of Bucharest </Li> <Li> Treaty of Constantinople </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> Belligerents </Th> </Tr> <Tr> <Td> <P> First Balkan War Ottoman Empire </P> <P> Support </P> Austria - Hungary </Td> <Td> <P> First Balkan War Montenegro Greece Serbia Bulgaria </P> <P> Support </P> Russian Empire </Td> </Tr> <Tr> <Td> Second Balkan War Bulgaria </Td> <Td> Second Balkan War Montenegro Greece Serbia Romania Ottoman Empire </Td> </Tr> <Tr> <Th_colspan="2"> Commanders and leaders </Th> </Tr> <Tr> <Td> Mehmed V Enver Pasha Nazım Pasha Zeki Pasha Essad Pasha Kölemen Abdullah Pasha Ali Rıza Pasha Hasan Tahsin Pasha İsmail Hakkı Pasha Rauf Pasha </Td> <Td> Nicholas I Prince Danilo Petrović Mitar Martinović Janko Vukotić Ferdinand I Mihail Savov Ivan Fichev Vasil Kutinchev Nikola Ivanov Radko Dimitriev Crown Prince Constantine Panagiotis Danglis Pavlos Kountouriotis Radomir Putnik Petar Bojović Stepa Stepanović Živojin Mišić Carol I Ferdinand I Alexandru Averescu </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Balkan Wars </Th> </Tr>

The two chief rivals for control of the balkans were
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