I believe it was the Japanese.
Japan
It is Vietnam with a population of 85,262,356 (July 2007 est.).
July 13th, 1942 fell on a Monday.
July 18, 1942 was a Saturday.
July 6th, 1942 was a Saturday.
July 6, 1942 fell on a Monday.
July 4, 1942 fell on a Saturday.
July 10, 1942 fell on a Friday.
The Bowling Alley-Cat - 1942 was released on: USA: 7 July 1942 USA: 18 July 1942
Cross-Country Romance - 1940 was released on: USA: 12 July 1940 Sweden: 26 December 1942
1942 was a common year starting on a Thursday. This means that 28th July was a Tuesday.
Vendetta - 1942 was released on: USA: 18 July 1942