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

July 17

1893  Life-saving Station Keeper H .E. Wilcox of Cape Arago Life-Saving Station rescued 55 of 56 passengers of SS Emily that was capsizing in a raging sea.  Persons were transported from the doomed vessel to the lifeboat via a life raft.

USCGC Polar Sea

1994  CGC Polar Sea departed from Victoria, British Columbia on operation Arctic Ocean Section 1994 and became the first U.S. surface vessel to reach the North Pole.  She then transited the Arctic Ocean back to her homeport in Seattle, Washington.

N93119, a Trans World Airlines Boeing 747-131, pictured at Charles de Gaulle airport in May 1995. On July 17th, 1996, a year after this photo was taken, N93119 was operating as TWA Flight 800 when it exploded in mid-air and crashed off the coast of East Moriches, New York, United States. All 230 people on board were killed in the crash, which remains the third-deadliest aviation accident in American history.

1996  TWA Flight 800 crashed off New York with no survivors.  Numerous Coast Guard units conducted search and rescue operations and then aided in recovery operations.