Angermannland, Sweden — 1 June 1752

Bright streak emits balls of light

Between 4 and 5 A.M., luminous “balls of fire” emerged from a bright streak in the sky extending from the northeast to the southwest, for 12 to 13 miles along the coast.

Source: Robert Mallet and John William Mallet, The Earthquake Catalogue of the British Association (British Association for the Advancement of Science, London: Taylor & Francis, 1858). Case: W292