Timeline of Rhydymwyn Valley
The Timeline covers the period from 1905 to 2010. It also provides information directly relevant to the site and its various uses along with some mileposts of events to put it in context. It includes some social history of particular years.
August
The French used tear gas grenades against the Germans.This was not detected by the Germans
October
The Germans used chemical irritants against the French at Neuve Chapelle in fragmentation shells.
31 January
The Germans used tear gas howitzer shells against the Russians at Bolimov.
March
The Germans used improved tear gas at Nieuport against the French.
22 April
The Germans used chlorine from canisters at the Second Battle of Ypres. Decimating 2 divisions of French and Algerian Colonial troops.
6 August
The Germans use phosgene against the Russians defending the fortress at Osiewiec
24 September
The British used chlorine from cylinders at the Battle of Loos
19 December
The first combined chlorine–phosgene attack by Germany, against British troops at Wieltje near Ypres
September
The Germans began using mustard gas at Riga against the Russians leading to widespread use on both sides fired mainly from shells.
There were 188,706 British gas casualties with 8,109 deaths (Russia had 419,340 casualties and 56,000 deaths).
There was no centralized chemical warfare manufacture in the UK. All production was through a dispersed number of small manufacturers.
17 June
The Geneva Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or other Gases, and of Bacteriological Methods of Warfare was signed by all the major powers except Japan. This prohibited the first use of such weapons but not their manufacure. J.B.S. Haldane, the geneticist and evolutionary biologist wrote his famous monograph Callinicus, a Defence of Chemical Weapons
The development on plant scale of the distillation process was completed at Sutton Oak. This produced a mixture of 60% H and 40% T (Reports CD 1020 and CD 996). The technique was used by the Germans in WWI. The two plants that were constructed at Randle 1940 are described in Z/CK/65.
29 September
The Munich Agreement was signed by Germany, France, Italy and Great Britain. Chamberlain declares “Peace in our time”
December
Otto Hahn and Fritz Strassmann at KWI in Berlin detect barium as a by-product of their experimentally projecting neutrons at Uranium. They…
March
Germany invaded Czechoslovakia.
April
The initial survey of the site was carried out.
April and June
Subsequent to identifying the Valley site the Department of Industrial Planning discussed layouts with I.C.I.
27 April
Compulsory conscription for men aged 20-21 was initiated.
23 August
The Soviet-German non-aggression pact was signed.
24 August
The Emergency Powers Defence Act was passed. Military reservists were called up.
25 August
The U.K.-Polish Treaty of Alliance signed.
27 August
Treasury approval was given for the following sections of the Valley Works:
Purchase of Site £6,000
Bulk…
January
Shift work in the Ambulance Room began.
8 January
Food rationing began: the ration was 4 ozs ham, 4 ozs bacon, 4 ozs butter per adult per week.
March
Meat was rationed to 1s/10d worth a week for adults (about 1lb in weight): 11d worth for children
April
The design work on the assembly unit was agreed along with other outstanding points before design work proceeded
May
It was agreed that 10 x 65 ton bulk storage tanks would be sunk in a field opposite the railway in two rows 150’-200’ apart as temporary…
A small amount of syrup of American origin was supplied from Randle.
Early
When the night-time maintenance work was being carried out on the Temporary Effluent Pump 22 men were affected by toxic vapours masked by the smell of chlor liquor.
January
The Men’s Mechanical Safety Committee was formed.
January
The Toxic Accident Committee formed.
1 January
R4 was started up.
4 January
The first load of Runcol was delivered to the tunnels from Randle and the first load of Runcol from R4 plant was also delivered to the tunnels.
January/Feb
…
January
The GIs began to arrive in Britain. Austerity began in earnest. Soap was rationed to 3 oz per month. Single bananas and onions were used as raffle prizes. The Home Guard was recruited to serve in ack-ack batteries.
January
The effluent system was accepted by Process.
January
The production of 30 lb Mark I and Mark IM bombs ceased.
13 January
The heaters were switched on in the Woodside tanks for the first time.
February
On the recommendation of Special Products Division the Ministry of Supply authorized the provision one 250 ton capacity…
Early
A Lister petrol driven truck was purchased to make the longer deliveries saving the batteries of the electric trucks.
January
The Toxic Safety Officer was appointed.
February
The effluent discharge main to the Dee failed near the highest point about two miles from the works. The liquor which was almost certainly slightly toxic ran into a brook and although it did not cause any injuries to local residents, the incident emphasized that there was such a hazard. The toxic conditions also made the repair, which any case would have been very hazardous, more difficult. (V/P/38)…
4 January
The transfer lines from the tunnels to K4 and K5 were started.
January
A new balanced crank-shaft was fitted to effluent disposal pump.
January
The filling of the No 18 Smoke Generator Mark I ceased.
January
6 lb ground bomb production ceased.
January
The average women’s wage in engineering was £3 10s: the average men’s wage in engineering was £7. Only 4 cwt of coal was allowed per month.
22 January
The Anzio Landings took place.
February
On two successive Saturday afternoons children’s parties were given to the children of…
14 January
W.R. Madell succeeded R.Thomas as Works Manager.
4 February
The Yalta Conference began.
14 February
Dresden was bombed.
20 April
The Russians reached Berlin.
29 April
R3 closed down
30 April
Hitler committed suicide.
8 May
VE Day
30 June
The total output from R3 and R4 during the production life of the plant was 15,477 tons.
6 August
The Uranium bomb was dropped on Hiroshima.
9 August
The Plutonium bomb was dropped on Nagasaki.
14 August
VJ Day
264,444 members of the Armed Forces were killed and 277,077 injured.
25,000 divorce petitions were filed (10,000were filed in 1939), 70% on grounds of adultery: 58% were filed by husbands.

