Lucky" Luciano Arrested
Apr 1 Charles "Lucky" Luciano" is arrested in Arkansas on a criminal warrant from New York
- Apr 1 Orissa constituted a province of British India
- Apr 5 Tupelo, Mississippi virtually annihilated by a tornado, 216 die
3rd Augusta National
Apr 6 3rd Augusta National Invitation Tournament (Masters) Golf: Horton Smith wins his second Masters, 1 stroke ahead of runner-up Harry Cooper, with defending champion Gene Sarazen 3rd
- Apr 6 ANP begins telex service in Amsterdam
- Apr 6 Tornado, kills 203 & injuring 1,800 in Gainesville Georgia
- Apr 10 200" mirror blank arrives from Corning Glass Works of New York at Caltech's optical shop in Pasadena, California for use in Palomar Observatory's Hale Telescope; the work takes 11-1/2 years [1]
- Apr 11 First Butlins holiday camp opens in the UK at Ingoldmells, near Skegness
On Your Toes
Apr 11 George Abbott, Richard Rodgers & Lorenz Hart's musical "On Your Toes", choreographed by George Balanchine, and starring Ray Bolger and Tamara Geva, opens at the Imperial Theatre (later transfers to Majestic), NYC; runs for 515 performances
Red Wings 1st Championship
Apr 11 Stanley Cup Final, Maple Leaf Gardens, Toronto, ON: Detroit Red Wings beat Toronto Maple Leafs, 3-2 for a 3-1 series win; Red Wings first SC Championship
- Apr 13 Ioannis Metaxas becomes Prime Minister of Greece
Édith Piaf Under Suspicion
Apr 14 French singer Édith Piaf questioned after nightclub owner and her patron Louis Leplée murdered in Paris
- Apr 15 Irish government authorizes establishment of Aer Lingus (Aerloingeas) as the national airline of the Republic of Ireland
- Apr 18 Pan-Am Clipper begins regular passenger flights from San Francisco to Honolulu
- Apr 19 First day of the Great Uprising in Palestine, anti-Jewish riots break out
- Apr 20 40th Boston Marathon won by Ellison Brown in 2:33:40.8
- Apr 20 Jews repel an Arab attack in Petach Tikvah Palestine
Shostakovich's 4th Symphony
Apr 26 Dmitri Shostakovich completes his 4th Symphony
- Apr 29 1st pro baseball game in Japan is played Nagoya defeats Daitokyo, 8-5