What is associated with: around 1340 feet below sea level the dead sea?

What is associated with: around 1271 the city of herat afghanistan was visited by this famous venetian? Based on the clue 'around 132 ad chinese scientist chang heng invente...', what is the answer? What is associated with: around 1325 bc this boy king was buried in a gold mask inside 4 coffins one of which was made… What is associated with: around 1332 bc this pre teen became king of egypt his reign was kinda meh but the stuff he lef… What is associated with: around 1347 bc at the age of 9 his rule as pharaoh began? What is associated with: around 1365 adrianople became the capital of this empire constantinople replaced it in 1453? Who performed with 'around 1375 and the green knight'? What is associated with: around 1387 this poet wisely noted in love ther is but litel reste?