Try a bulletproof vest. Pictured is a test of a state-of-the-art lightweight bulletproof vest for the New York Protective Garment Corporation police in 1923.

Seal of Tutankhamen’s tomb. One of the most famous Egyptian pharaoh tombs is certainly the tomb of Tutankhamen, which opened on February 17, 1923. Scientists estimate the tomb remained intact for 3,245 years before the seal on the door was broken.

106 year old warrior. People have to fight for their lives, so it’s no wonder this 106-year-old Armenian woman is holding a rifle. This is definitely not what she hoped to do at her age.

The dream of flying was realized by the Wright brothers, Orville and Wilbur in 1903 with a wooden airplane in North Carolina.

First subway ride. Not long after the first flight in 1903, America had its first subway in New York in 1904. George McClellan, the mayor of New York, opened the train. The train carried the first passengers on a nearly 15km long route through 28 stations.

The impressive point that makes MGM (Metro-Goldwyn-Mayer)’s brand is the image of the roaring lion at the beginning of each of their movies. In fact, many lions were used for the MGM logo. It’s unclear how those two felt in a cage with a wild Nubian lion.

First photo. You might not think this blurry image is a photograph, but it is believed to be the oldest photo in existence. The photo was taken by famous French photography pioneer Joseph Nicéphore Niépce in 1826.

Although many people think this is a photo of a football helmet test, this is actually a safety demonstration by British inventor WT Warren of the pilot helmet he invented. At that time, head injuries were the leading cause of pilot deaths in flight accidents.

In this photo from the early 1900s are lumberjacks cutting down giant redwood trees in the coastal area of ​​northern California. Considering they only used saws and axes, it’s impressive that they were able to take down such huge trees. Even more impressive is how they transported them using only horses and oxen.

Take photos of the baby. In the 19th century, photography became popular and many people wanted to take pictures, especially of newborn babies. But babies don’t like to stay still, so photographers came up with a clever solution. What you see in the photo is a baby wearing a fairly long dress, but what you don’t see is the baby’s mother hiding underneath and holding the baby still.

Shop within a shop. This photo was taken in London in 1900 and shows what was probably the smallest store in the world. This man opened a shoe store in the window of a beverage store. You may need a glass of lemonade or soda after trying on some shoes.

Selling mummies. After Napoleon’s conquest of Egypt, Egyptian archaeological items were made available to the European market. Mummies could be purchased from street vendors, and European elites often held “Mummy Opening Parties.”

Swimming lesson time. As an island nation, it is important for the UK to teach children to swim. However, in the 1920s, not all schools had swimming pools. It’s difficult to learn ground impacts, so the teacher came up with a solution: students would “float” on another student’s back.

Human flag. Pictured is a chess game in St.Petersburg Palace Square in the mid-1920s, with the Red Army representing the black pieces and the Soviet Navy representing the white pieces. Players make moves via phone.