Subject
- Telegraph lines8
- Military operations4
- Arms traffic3
- Bilateral agreements3
- Sovereignty3
- Subsidies3
- Concessions2
- Frontiers2
- Geographical exploration2
- Naval operations2
- Security of property2
- Surveys2
- Telegraphs2
- Territorial disputes2
- Anglo-Persian War (1856-1857)1
- Armistices1
- Arms control1
- Baloch people1
- Blockades1
- Boundary disputes1