Longest manmade lightning
Who
Nikola Tesla
What
40 metre(s)
Where
United States (Colorado)
When
1899

Scientist and inventor Nikola Tesla (Croatia) created the longest manmade bolt of lightning – 40 m (130 ft) – in 1899, at his laboratory in Colorado, USA. The accompanying thunderclap was reported to have been heard 35 km (22 miles) away.