John Quincy Adams was the son of President John Adams and Abigail Adams. As a diplomat, Adams played an important role in negotiating key treaties, most notably the Treaty of Ghent, which ended the War of 1812.
1 So thatâs how long we advise in our charts. 2  Check with your state about state income tax, though. Some make you keep tax records a really long time: In Ohio, itâs 10 years.  The IRS can also ask for records up to six years after a filing if they suspect someone failed to report 25% or more of his gross income.
How long to keep your records You must keep your records for at least 5 years after the 31 January submission deadline of the relevant tax year. HM Revenue and Customs (HMRC) may check your records to make sure youâre paying the right amount of tax.