In case of any accident in coal mines, poisonous gases without color and smell are filled in them, which are dangerous for humans. In Britain, yellow-winged canary birds were stationed in coal mines to detect such gas, and their gestures used to predict the danger of the gas being present in the mine.
The sequence details of other important events recorded on the date of 30 December in the history of the country and the world are as follows:-
1803: The Treaty of Surji Arjungaon was signed between the Maratha chief Daulat Rao Scindia and the British government in the first phase of the Second Maratha War in India.
1865: British writer Rudyard Kipling was born in the city of Bombay (now Mumbai), India. He is remembered for his stories and poems written about the British forces in India. Kipling, a short story writer, poet and novelist, was awarded the Nobel for Literature in 1907.
1906: After a three-day meeting of Muslim leaders in Dhaka, the formation of the ‘All India Muslim League Party’ was announced. Sir Khwaja Salimulla, Amir Ali and Sir Mian Muhammad Shafi are considered the founders of the party.
1922: The Soviet Union is formed as the Union of Soviet Socialist Republics. Its capital was Moscow and it was made up of 15 republics. It was the largest country in the world, which disintegrated in 1991.
1975: Dushyant Kumar, Hindi poet, story writer and ghazalkar, died.
1975: Tiger Woods, one of golf’s greatest players, was born in California, USA. He proved himself to be the undisputed legend of the sport in both professional and non-professional competitions.
1986: The British government announced the removal of more than 200 canary birds deployed to detect the presence of toxic gases in their coal mines.
2006: Former Iraqi President Saddam Hussein is sentenced to death for crimes against humanity.