January 1st - On This Date

1910	C37	Submarine HMS C37 launched
1914	E18	Submarine HMS E18 laid down
1915	E33	Submarine HMS E33 laid down
1915	E47	Submarine HMS E47 laid down
1917	K4	Submarine HMS K4 completed
1915	E48	Submarine HMS E48 laid down
1918	L57	Submarine HMS L57 laid down
1918	H52	Submarine HMS H52 laid down
1931	Sturgeon	Submarine HMS Sturgeon laid down
1904	Umpire	Submarine HMS Umpire laid down
1945	HMS Statesman	HMS Statesman sinks fous small Japanese vessels with gunfire north-east of Sumatra.
1945	HMS Thorough	HMS Thorough sinks a Japanese sailing vessel with gunfire of the west coast of Siam