Momotaro vol.1

Once upon a time, there was an old man and an old woman.
## "Once upon a time" is how we start children's tales like Momotaro in English.
##  "a certain place" （あるところに？）is common in Japanese writing like this, but it is not used in English.

When the old woman went to the river to wash clothes, she saw a big peach floating towards her.

So she reached into the water and took it out.

Then, the peach cracked in half and a baby came out!

The baby was named Momotaro.

*This is the Japanese story "桃太郎". In Japan, everyone knows this story.
(You could also say: "This is a Japanese story called "桃太郎")

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I added a few parts like "so she reached into the water" to help connect the sentences a little more.
Overall though, good job! If you have any questions let me know! :D