The definition of a revolution is the movement of one object around a center or another object, a forceful overthrow of a government by the people or any sudden or grand change.1  An example of revolution is movement of the earth around the sun. An example of revolution is movement of the earth around the sun. 2  An example of revolution is the war fought between the colonial people and Great Britain. 3  An example of revolution is the introduction of the automobile into society.
How Long You Should Keep Tax Records. To be on the safe side, keep your tax records for a minimum of three years or whenever the statute of limitations runs out for filing returns or refunds, whether youâre claiming personal deductions or keeping receipts for business expenses.
Length of time to keep, and why: Taxes Returns Canceled checks/receipts (alimony, charitable contributions, mortgage interest and retirement plan contributions) Records for tax deductions taken. Length of time to keep, and why: Seven years. The IRS has three years from your filing date to audit your return if it suspects good-faith errors. The three-year deadline also applies if you discover a mistake in your return and decide to file an amended return to claim a refund.