| A | B |
| 1789 | Revenue Cutter Act proposed the construction of ten revenue cutters. |
| August 4th 1790 | Birthday of Coast Guard, date RCA was signed by congress. |
| 1716 | Boston Light, first lighthouse built |
| The lighthouse Service | Oldest maritime service of our govt |
| 1838 | Steamboat Inspection Service was est. |
| 1848 | Bureau of Navigation est. |
| 1831 | Cutter Gallatin - Assigned to life saving duties |
| 1871 | Official start of Life Saving Service |
| First Lifesaving Stations | Were located on Long Island, NY and New Jersey |
| 1820 | Lightships started being used |
| 120 | total lightship stations used |
| 1934 | Nantucket lightship struck and sunk by S.S. Olympic |
| 1903 | Merger of lighthouse and steamboat inspection service |
| 1915 | Congress starts merging maritime agencies to cut costs and add uniformity |
| 28 Jan, 1915 | Revenue Cutter Service and Lifesaving Service were combined to becomes the USCG. |
| 1932 | Bureau of Nav and Steamboat Insp were combined under Dept of Commerce |
| 1 July, 1939 | Lighthouse service became part of USCG. |
| 1 April, 1967 | Creation of DOT, USCG moves to DOT from Treasury Dept. |
| 1 Mar, 2003 | USCG merges into Dept of Homeland Security |