Form of state. 1  1918â1938: A democratic republic. 2  1938â1939: After annexation of Sudetenland by Germany in 1938, the region gradually turned into a state with loosened connections among the Czech, Slovak, and Ruthenian parts.n 1938, Adolf Hitler demanded control of the Sudetenland. Britain and France ceded control in the Appeasement at the Munich Conference, ignoring the military alliance Czechoslovakia had with France. First, in October 1938, Nazi Germany occupied and annexed the Sudetenland border region.
So thatâs how long we advise in our charts. 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.
Still, you'd be surprised at how much you can safely discard. Here is what you should keep and how long you should keep it. Three Years. Keep your federal and state income tax returns and related receipts and statements for at least three years.ix Years. If you may have under-reported income by 25 percent or more, then you'll need to keep tax returns and all related information for six years.