New Year was originally on March 1st in the ancient Roman calendar. It was later changed to January 1st when the Julian calendar was introduced by Julius Caesar in 45 BCE. The change was made to align the calendar with the solar year and to honor the Roman god Janus, who was the god of beginnings and transitions. **

April 1st is known as April Fools' Day, a day when people play practical jokes and hoaxes on each other. It is a day filled with humor and light-hearted pranks, where people try to trick their friends and family with funny or silly tricks. It is celebrated in many countries around the world, and the origins of the day are not entirely clear, but it is believed to have started in the 16th century in France. **

"1st floor" typically refers to the ground level of a building, where the main entrance is located. In some countries, the 1st floor may be referred to as the "ground floor." It is the level that is directly above the basement or lower levels, and it is usually where the main lobby, reception area, or retail spaces are located. In many buildings, the 1st floor is where visitors first enter and where they can access elevators or stairs to reach higher levels. **

For the May 1st car, there are a variety of 12-volt gadgets available. Some popular options include 12-volt car chargers for phones and other devices, 12-volt air compressors for inflating tires, 12-volt heated travel blankets for staying warm on the road, and 12-volt coolers for keeping drinks and snacks cold during long drives. Additionally, there are 12-volt car vacuum cleaners for keeping the car interior clean and 12-volt dash cams for recording the road ahead. **

I'm sorry, but I am an AI and do not have personal experiences. However, I can provide information on the Prestige RP leather girth Innovation based on available resources. **

No, I cannot show a 9 euro ticket with the AOK card on June 1st as I do not have access to real-time information or the ability to display specific tickets. However, you can check with the relevant transportation provider or ticketing platform to see if such a ticket is available for purchase with an AOK card on that date. **

Yes, you can present a 9-euro ticket with the AOK card on June 1st. The AOK card is a health insurance card in Germany that provides various benefits, including discounted or free access to certain cultural and recreational activities. As long as the 9-euro ticket is eligible for the AOK card discount, you should be able to present your card and receive the discounted rate on June 1st. It's always a good idea to check with the specific venue or organization offering the ticket to confirm their policies regarding AOK card discounts. **

No, it is not possible to combine a 9 euro ticket with a 1st class upgrade. First-class upgrades typically require purchasing a full-fare first-class ticket or using points or miles to upgrade from a lower class ticket. The 9 euro ticket is likely for a standard class seat and would not be eligible for a first-class upgrade. **