The 1900 Atlantic hurricane season was a below average yet incredibly devastating hurricane season which featured the Galveston hurricane, the deadliest natural disaster in the United States history. A total of 10 tropical cyclones formed, seven of which intensified into a tropical storm. Three of those made landfall in the United States. The first system was initially observed over the central Atlantic Ocean on January 17, while the final storm transitioned into an extratropical cyclone on October 28. These dates fall within the period with the most tropical cyclone activity in the Atlantic. Every storm of the season except the seventh system existed simultaneously with another tropical cyclone. 7 storms, 3 hurricanes, 2 major hurricanes (Category 3+). Strongest: an unnamed storm (145 mph). Accumulated cyclone energy ≈ 83. Wiki link