Tom Hanks and Rita Wilson got married.
Source
The USA signed The Louisiana Purchase in Paris.
Adolf Hitler and his newlywed wife, Eva Braun, committed suicide in their bunker in Berlin, Germany.
Hawaii became a US territory when President William McKinley signed it into law.
Albert Einstein completed his doctoral thesis at the University of Zurich and was awarded a Ph.D.
Two new moons orbiting Uranus were announced in Nature magazine.
