Weather Blog The Potomac Island Where History Took Flight Samuel Pierpont Langley conducted the first successful flight of an unpiloted, engine-driven, heavier-than-air craft from a houseboat near Chopawamsic Island in the Potomac River. Read More… About Author OTW Observer See author's posts Post navigation Previous BBC Weather verdict on date rain will return after scorching heatwaveNext Smoke Blankets the Iberian Peninsula Related Stories A Desert Intersection Weather Blog A Desert Intersection October 1, 2025 Imelda and Humberto Crowd the Atlantic Weather Blog Imelda and Humberto Crowd the Atlantic September 29, 2025 The Erie Canal Turns 200 Weather Blog The Erie Canal Turns 200 September 29, 2025