What is associated with: begun around 5000 years ago stonehenges construction belongs to this new stone time period?

Based on the clue 'begorra sure tis an irish accent this word is me...', what is the answer? Based on the clue 'begun again like a magazine subscription', what is the answer? What is associated with: begun around 1088 the university of this meaty northern italian city is considered the oldest… What is associated with: begun around 1500 by guru nanak this religion incorporates elements of hinduism? What is associated with: begun by a retired minister in 1876 to make socks for lumberjacks this company soon expanded i… Based on the clue 'begun by appius claudius as a public work in 312 b...', what is the answer? What is associated with: begun by frederick the greats invasion of saxony it lasted from 1756 to 1763? What is associated with: begun in 1173 the 8 story leaning tower of pisa is clad in this stone?