Japan Day in Düsseldorf
Japan Day in Düsseldorf is held on May 29. Date for 2021. Celebrated on the last Saturday of May. This event in the third decade of the month may is annual.
Navy Anniversary Day in Japan on May 27 (海軍記念日, Kaigun Kinen'bi. It was in commemoration of the Battle of Tsushima - May 27–29, 1905);
Koromogae in Japan on June 1 (「衣替え」);
Days of Action for Sustainable Development in Germany on June 4 (launched by the Sustainable Development Council in 2012 at the United Nations Conference on Sustainable Development in Rio de Janeiro);
Chronometer Day in Japan on June 10 (according to legend, it was on this day in 671 that the chronometer first appeared in the palace of the Japanese emperor);
Sanno Festival in Japan on June 15 (June 10-16th - every even-numbered year. Kanda Festival - mid-May - every odd-numbered year);
National holiday in Japan on June 15 (in honor of William Adams [1564-1620], also known as Anjin-sama - 三浦按針, was an English navigator, became a samurai. It is believed that he was the first Englishman to live in Japan)