How long did Germany disappear after the visa was refused?

Will not disappear. According to the study abroad network. The visa refusal record will not be automatically cleared within a few years, and it will be permanent. You can apply unlimited times, and the record will appear on the screen of the immigration officer indefinitely, which will have a chain effect. In the information exchange between the exit and entry administrations of western federal countries, if the United States refuses to sign a visa, the immigration authorities of Canada or Britain will also have corresponding records and can also find them.