Culture Day. 15.04.1935 – the Roerich Pact was signed by 21 countries in Washington, USA.
Birthday of Leonardo da Vinci (1452-1519), Italian Renaissance painter, sculptor, architect, scientist, inventor, philosopher, thinker and writer.
Birthday of Guru Nanak (1469-1539), founder of Sikhism.
Birthday of Nikolai Gumilev (1886-1921), Russian poet and founder of the acmeism movement, translator, traveler.