What is associated with: construction of this pakistani capital began in 1961?

What is associated with: construction of the world famous palazzo vecchio began in 1299 in this italian city? What is associated with: construction of this asian capital city near rawalpindi began in 1961? What is associated with: construction of this dc cathedral began in 1907 was still going on in the 1990s? What is associated with: construction of this famous british cathedral on the river avon began in 1220? What is associated with: construction of this planned asian capital began in 1912 the government was moved there in 193… Based on the clue 'construction on borobudur a temple of this religio...', what is the answer? What is associated with: construction was completed on this boston landmark in 1742 a year before its builder peter fan… Based on the clue 'construction worker wear or a type of diving in wh...', what is the answer?