October 18

Monday 18, 1954:

Texas Instruments announces the first Transistor radio

Thursday 18, 1945:

The USSR's nuclear program receives plans for the USA's plutonium bomb from Klaus Fuchs at the Los Alamos National Laboratory

Sunday 18, 1925:

The Grand Ole Opry opens.

Wednesday 18, 1922:

The British Broadcasting Company (later Corporation)  is founded by a consortium, to establish a nationwide network of radio transmitters to provide a national broadcasting service.

Friday 18, 1867:

United States takes possession of Alaska, celebrated annually in the state as (Alaska Day).