The Facts About Income Tax Millions faithfully file their 1040 forms each April. But some things about federal income taxes may surprise you. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. The Three Keys to a Great Password Have fun and learn how to craft the perfect password with the help of this highly engaging infographic. Building Your Legacy A four-step framework for building a personal legacy.