Today in History - 20 April

1657 – Freedom of religion is granted to the Jews of New Amsterdam (later New York City).
1898 – U.S. President William McKinley signed a joint resolution to Congress for declaration of War against Spain, beginning the Spanish–American War.
2015 – Ten people are killed in a bomb attack on a convoy carrying food supplies to a United Nations compound in Garowe in the Somali region of Puntland.