Tropical Storm Bret (2017)
Tropical Storm Bret was the earliest named storm in the calendar year to develop in the Main Development Region of the Atlantic basin on record. The second tropical cyclone of the 2017 Atlantic hurricane season, Bret formed from a tropical wave that had exited off the coast of West Africa on June 12.
Source: Wikipedia — Tropical Storm Bret (2017) (CC BY-SA 4.0)