What is referred to by '180 minutes after noon'?

What is associated with: 18 year old manuel ii became king of this country after his father was assassinated in lisbon… What is associated with: 18 year old will shakespeare married her in november 1582 their daughter was born 6 months lat… Based on the clue '18 years after her suicide she was awarded a pulit...', what is the answer? Based on the clue '18 years of deadly rage action towards universiti...', what is the answer? What is associated with: 1800 seconds before 811 am? What is associated with: 1800 spain cedes this large territory to france? What is associated with: 180000 dwell in this city southwest of columbus northeast of cincinnati? What is associated with: 1801 1835?