On this day
– The United States Senate ratifies the Rush-Bagot Treaty, establishing the border with Canada.
– The first passenger rail opens in India, from Bori Bunder, Bombay to Thane.
– Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
– Mohandas Gandhi organizes a day of “prayer and fasting” in response to the killing of Indian protesters in the Jallianwala Bagh massacre by the British colonial troops three days earlier.
– The Treaty of Rapallo, pursuant to which Germany and the Soviet Union re-establish diplomatic relations, is signed.
– World War II: The Italian convoy Duisburg, directed to Tunisia, is attacked and destroyed by British ships.
– Allied forces start bombing Belgrade, killing about 1,100 people. This bombing fell on the Orthodox Christian Easter.
– The United States Army liberates Nazi Sonderlager prisoner-of-war camp Oflag IV-C (better known as Colditz).
– More than 7,000 die when the German refugee ship Goya is sunk by a Soviet submarine torpedo.
– Bernard Baruch coins the term “Cold War” to describe the relationship between the United States and the Soviet Union.
– Queen Elizabeth II launches the Royal Yacht HMY Britannia.
– Dr. Martin Luther King, Jr. pens his Letter from Birmingham Jail while incarcerated in Birmingham, Alabama for protesting against segregation.
– Apollo program: The launch of Apollo 16 from Cape Canaveral, Florida.
– The “Doctor of Death”, Jack Kevorkian, participates in his first assisted suicide.
– The Treaty of Accession is signed in Athens admitting 10 new member states to the European Union.
– Virginia Tech massacre: Seung-Hui Cho kills 32 and injures 23 before committing suicide.
– The Pulitzer Prize winners were announced, it was the first time since 1977 that no book won the Fiction Prize.
– A 7.8-magnitude earthquake strikes Sistan and Baluchestan Province, Iran, the strongest in the country in 40 years, killing at least 35 people.