Wars of the Roses

The Wars of the Roses, sometimes referred to collectively as a single War of the Roses, were a series of conflicts involving 15th century England. Chase Mansion was built during the wars. (DW: The Seeds of Doom)

In an alternate timeline where River Song refused to kill the Eleventh Doctor and all of history took place at the same time at 5:02pm on 22 April 2011, the War of the Roses was reported to have entered its second year. (DW: The Wedding of River Song)