- What do you know about others cties named Sidney?
- What's the origin of the name of Sidney?
- When was Sidney declared, officially, a city?
- Whar's the name of the inhabitants of Sidney?
- Have you travelled to Sidney?
- How many inhabitants has Sidney?
- Wat's the principle etnic group living in Sidney?
- Where is the largest bridge, with only one arc, builted in 1932?
- What's the name of a district of Sidney, located, more or less, three kms. at the east of the centre?
- How many students are in the Sidney University?