Checking your tax refund status online. Step 1 - Wait. Wait at least three days after e-filing your tax return before checking a refund status. When you e-file your tax return to the IRS, it needs approximately three days to update your information on the website.
In 1456 Gutenberg invented the printing press. This created a widespread of books. Once people owned books reading glasses began to be seen in the hands of the common people. These glasses were made with a variety of materials including wood, lead, copper, bone, leather, and even horn. In 1623 the Spanish invented the first graded lenses.
The printing press was one of the most significant inventions of the Middle Ages. It was invented in the mid-15th century (during the Renaissance period) by a German goldsmith named Johannes Gutenberg.