After the 1815 eruption of Mount Tambora, 1816 brought June snow to New England, failed harvests across Europe and a

The Pony Express ran for only about 18 months and lost money, yet its relay riders became one of the

Royal building accounts and modern experimental archaeology show how medieval castles were planned, paid for and raised by thousands of

During the fall 1918 influenza wave, the timing of public health measures helped decide how badly American cities suffered, as

The Library of Alexandria was not destroyed in a single great fire but faded over centuries of political turmoil, budget

In January 1919 a giant storage tank in Boston's North End burst, sending a wave of molasses through the streets,

An 11th-century tapestry that depicts the Norman Conquest of England has captivated many researchers and historians who laid their eyes

The America we know today would not exist had it not been for a number of key events that changed