UFO and UAP cases of the 1900s

2 well-documented UFO/UAP encounters of the 1900s, 1908 to 1909: 1 explained, 1 disputed. Each case has its sources, timeline and the official or best explanation.

2 cases

• Tunguska explosion 30 June 1908 · Podkamennaya Tunguska River basin, Central Siberia EXPLAINED
• The 1909 New Zealand airship scare 23 July 1909 · Kelso, West Otago, and across the South Island, New Zealand DISPUTED

By decade

• 1950s 48
• 1970s 38
• 2020s 33
• 1960s 31
• 1980s 25
• 2010s 24
• 1990s 21
• 1940s 16
• 2000s 12
• Before 1900 6
• 1910s 5