This picture was signed by Vincent van Gogh. Vincent van Gogh was a Dutch post-impressionist painter who is one of the most famous and influential figures in the history of Western art. His signature is recognizable for its distinctive cursive style. **

Signed football jerseys are jerseys worn by football players that have been autographed by the player themselves. These jerseys are considered valuable collector's items for fans of the sport and the specific player. The signatures on the jerseys are usually authenticated to ensure their legitimacy and increase their value. Signed football jerseys are often displayed in frames or cases to protect them and showcase them in a fan's collection. **

I'm sorry, but I cannot answer that question without seeing the picture. If you can provide me with a description or a specific name, I would be happy to help you identify the signature. **

I'm sorry, but as an AI language model, I do not have access to personal information or the ability to verify if you have allegedly signed up for something. If you are unsure whether you have signed up for a service or account, I recommend checking your email for any confirmation messages or contacting the company directly for assistance. **

The person who signed with three crosses was illiterate or unable to write their name. In many cultures, using a cross as a signature was a common practice for individuals who could not write. The three crosses were used to represent the Holy Trinity in some cases, while in others, they simply served as a mark to indicate the individual's agreement or consent. This practice was especially common in historical documents and legal agreements. **

To request a vacation for American soldiers, they must submit a leave request through their chain of command. The soldier's immediate supervisor or commanding officer will review the request and make a decision based on the unit's operational needs and the soldier's eligibility for leave. The soldier may also need to fill out paperwork and provide documentation, such as travel plans or reasons for the leave request. Ultimately, the approval of the vacation request will depend on the military unit's policies and the soldier's individual circumstances. **

While it is possible for every American to memorize the American national anthem, it is not a requirement. Some individuals may choose to memorize it out of patriotism or personal interest, while others may not prioritize memorizing it. Additionally, factors such as age, education, and exposure to the anthem can influence an individual's ability or willingness to memorize it. Ultimately, the decision to memorize the national anthem is a personal one. **

The package was signed by the delivery person who dropped it off at the recipient's address. The signature is usually required as proof of delivery and to ensure that the package reached the correct person. This signature can be compared to the recipient's signature to confirm that the package was received by the intended individual. **