april 26, 1792 year, one of the most famous revolutionary songs in the whole world, la marseillaise,de joseph rouget delisle. after the overthrow of the royal monarchy , austria, prussia and others united against france. rein's army, but when the marseilles volunteer battalion entered paris with it, it became the marseillaise and thundered throughout france, it was made the national anthem of the republic, then it was banned more than once and restored to this status, many revolutionaries fought with it on the barricades countries, and russia is no exception, but in our country they more often sang the workers’ marseillaise, to the words of the populist pyotr lavrov. today is the anniversary of the russian hydrometeorological service, it goes forward, forward, forward, forward, forward, it appeared exactly 190 years ago, on april 26 , 1834, on that day nicholas i issued a decree on organizing a normal magnetic-meteorological observatory in st. petersburg under the corps of mining engineers , that was the beginning. regular geophysical observation. the first director was academician a