8 April in World History

It turns out that 8 April is also observed as International Roma (Gypsy) People's Day. "Gypsy" is a designation for more than 80 ethnic groups worldwide who live according to a shared code of Roma law. On 8 April 1971, the first World Romani Congress was held in London, where the flag (blue and green, with a red wheel in the centre) and anthem were adopted.

In Japan, meanwhile, 8 April is celebrated as Buddha's Birthday (born 563 BC), with a flower festival. On that day, Buddha altars in Japan's major cities are decorated with flowers, a ritual takes place in which sweet tea made from hydrangea leaves is poured over a statue of Buddha, and participants dress in traditional kimono and take part in a procession carrying lanterns inscribed with characters in red and black.

On 8 April 1927, the Saeima elected Gustavs Zemgals as Latvia's second State President, succeeding Jānis Čakste.

On 8 April 1525, a treaty was signed in Kraków by which the Duchy of Prussia was established in place of the Teutonic Order state, as a vassal state of the Polish throne.