It is the Star Festival on July 7. Tanabata means it in Japanese.

It is the Star Festival on July 7. Tanabata means it in Japanese. 
This is traditional Shinto ritual of Japan. It is said that Shinto ritual of Japan and a Chinese myth were mixed in the legend of Tanabata.

July 7 of Tanabata is the day when Altair and Vega can meet only once a year.
Thus, there is the Japanese who calls today the day of the lover.

In addition, many Japanese display a strip of paper which wrote one's wish to the bamboo grass.

Tanabata Festival is held in each place of Japan.

In Tanabata, there is it in China and Taiwan or Vietnam not an event only for Japan.

What is your wish?