77K views · 1.9K reactions | #OnThisDay in 1952: Thick smog descended on London, bringing the city to a standstill and contributing to the deaths of about 4,000 people. | BBC Archive | Facebook

26K views · 879 reactions | #OnThisDay 1962: A decade was marked since the deadly Great London Smog of 1952, which killed 4,000 people in five days. This footage shows just how eerie the city became, complete with uniformed men patrolling the streets with flaming torches. | BBC Archive | Facebook

64K views · 240 reactions | The Army in London has recorded the first great astronomical event of the century in the front yard of Horse Guards. As the sun was eclipsed by the moon at 0930 in London, the capital was plunged into a dusk like gloom, the street lights came on, and birds began to roost. Smog and thick fog obscured the detail of the eclipse itself, but as temperatures plummeted and the light faded its effects were plain to see. | The Army in London - HQ London District | Facebook