Bristol Britannia (United Kingdom) ✈ Ilyushin IL-18 (USSR) ✈Lockheed L-188 Electra (USA)

Bristol Britannia (United Kingdom). First flight: 16 August 1952 (WIKI)

ILYUSHIN IL-18 (USSR). First flight: 4 July 1957 (WIKI)

LOCKHEED L-188 ELECTRA (USA). First flight: December 6, 1957 (WIKI)

Canadair CL-44 (Canada). First flight: 16 November 1959 (WIKI)

In the 1950s, Canadair had acquired a licence to build the Bristol Britannia airliner.
— Wikipedia

Lockheed U-2 (USA) ✈ Beriev S-13 (USSR)

Lockheed U-2 (USA). FIRST FLIGHT: AUGUST 1, 1955 (WIKI)

Beriev S-13 (USSR). Never Flew ( METAL FULL-SCALE MOCK-UP in 1961) (Source)

Right after shooting down American spy plane U-2 over Sverdlovsk city on May 1, 1960 Government ordered starting works on creation high altitude reconnaissance aircraft of U-2 type.In April 1, 1961 a metal full-scale mock-up of S-13 was built at Taganrog city production plant of Beriev Design Bureau, which normaly worked with sea plane type aircraft.Tests gave excellent results and performance of S-13 could be much better that U-2, however, government resolution from 12 May, 1962 stopped all started works on S-13.