Based on the Coast Guard Historian’s timeline, https://www.history.uscg.mil/research/chronology/
With inspiration from Mike Kelso

May 9

1862  USRC Miami a 115-foot schooner-rigged steamer landed President Abraham Lincoln on Confederate-held soil the day before the fall of Norfolk.  The President had decided “to ascertain by personal observation whether some further vigilance and vigor might not be infused into the operations of the Army and Navy” during General George McClellan’s Peninsula campaign.  The President, Secretary of State Salmon P. Chase, Secretary of War Edwin M. Stanton, and Brigadier General Egbert Ludovickus Viele departed Washington, D.C., on board the cutter on May 5.

1939  President Franklin D. Roosevelt announced Reorganization Plan II that transferred the Bureau of Lighthouses to the Treasury Department for consolidation with the Coast Guard. The plan took effect on July 1, 1939.

USCGC Icarus (WPC-110) arriving at Charleston Navy Yard with prisoners of war from the U-boat U-352, 10 May 1942, US Navy photo

1942  CGC Icarus attacked and sank the German submarine U-352 off Moorehead City, North Carolina, and then rescued and took 33 prisoners-of-war, the first German prisoners taken in combat by any U.S. force in World War II. Maurice D. Jester, who had enlisted in the Coast Guard in 1917 commanded Icarus. 

Lt. Cmdr. Maurice D. Jester

The Coast Guard Cutter Legare (WMEC 912) conducts joint training evolutions with the U.S. Coast Guard Cutter Maurice Jester (WPC 1152), and the French naval ship Premier-Maître L’Her (F792), off the coast of Long Island, New York, on March 16, 2024. Legare worked with Premier-Maître L’Her for a series of engagements and exercises designed to demonstrate interoperability with a critical NATO partner. (U.S. Coast Guard photo courtesy of Legare)