First attempt to broadcast a spoken word and music programme using a military transmitter in Prague.
A one-hour programme of spoken word, songs and violin and piano music was broadcast using the military equipment in Prague. Used a watch tower on the Petřín hill.
On the 29th March the Ministry of PTT arranged the first experimental radio concert for members of the Government and guests.
15th May - the first attempt at official radio broadcasts was realised.
18th May - a radio station in Prague-Kbely began a regular radio broadcast - one of the first ones in Europe.
A company called Radiojournal was established in July.
31st January - the company Radiojournal transmitted a concert abroad. Opening speech was in English and Esperanto. A Radiojournal bulletin included programmes and schedules of 19 radio stations in Europe.
2nd August - the first live sport report (boxing in Prague) was relayed.
1st September - a new station in Brno began its broadcasting.
1st April - the first time signals were relayed from the State Astronomical Observatory in Prague.
2nd October - a new radio station in Bratislava went on the air.
1st June - a new radio station in Košice is on the air.
17th June - first live report with a portable transmitter, first time in Europe (boat race in Prague). There was a small transmitter in the boat, the aerial was 8 meters long, hung between two poles at a the height of 4 meters. A copper plate in the river was used as the ground.
28th October - first live transmission from abroad (opera performance in Paris).
8th September - first live transmission from overseas (New York).
28th October - the most powerful transmitter in Europe (in Liblice). Modulation by chamber A for the time signal.
31st August - regular programmes of the Foreign Service of Radio Praha started.
First million radio licensees registered.
14th March - Slovak Radio became independent.
10th June - Czechoslovak Radio changed its name to Czech Radio Ltd.
In November Czech Radio became a part of the Reich Radio (Rundfunk Böhmen und Mähren).
In May Czechoslovak Radio started to broadcast on the second programme network (first name Praha II, then Československo, in 1968 followed by Hvězda, from 1989 as the 2nd programme network of the federal Czechoslovak Radio and after 1992 as Radiojournal of the Czech Radio.
First TV broadcasting. The TV facilities were an integral part of Czechoslovak Radio.
December - first FM transmitter in Praha on the air.
Czechoslovak Radio was split into Czechoslovak Radio and Czechoslovak Television.
First experimental public stereo broadcasting (programme network Praha on one channel, TV sound on the other).
30th October - the Parliament issued a law on Radio and TV which allowed private stations to exist.
7th November - The Czech National Council issued a law that made Czech Radio a public institution.
1st January - Czech Radio has five programme networks: Praha, Vltava (on FM only), Regina (regional programmes), Radiojournal (news & reports), Radio Praha (Foreign Service).
February - first 43 licenses granted for foreign and private stations.
About 70 radio stations in the Czech Republic and about 25 radio stations in Slovakia.
Czech Radio has 7 programme networks (ČRo = Český Rozhlas = Czech Radio)
ČRo 1 - Český Rozhlas 1 - Radiožurnál (= Radio Journal)
ČRo 2 - Český Rozhlas 2 - Praha
ČRo 3 - Český Rozhlas 3 - Vltava
ČRo 4 - reserved for (previously planned) youth programme
ČRo 5 - Český Rozhlas Regional Programms:
Regina (for Prague and central Bohemia)
Studio Ústí nad Labem (for northern Bohemia)
Studio Plzeň (for western Bohemia)
Studio České Budějovice (for southern Bohemia)
Studio Hradec Králové (for eastern Bohemia)
Studio Brno (for southern Moravia)
Studio Ostrava (for northern Moravia)
Studio Olomouc (for central Moravia)
ČRo 6 - Český Rozhlas 6 / Radio Free Europe
ČRo 7 - Český Rozhlas 7 - Radio Prague (foreign service)
About 75 radio stations in the Czech Republic and about 25 stations in Slovakia