June 19th...
1667: The Dutch naval action known as The Raid on the Medway, began on this day during the Second Anglo-Dutch War. Also known as the Battle of the Medway, the Raid on Chatham or the Battle of Chatham, the assault would go on for five days, from 19th to 24th June (9th to 14th June. O.S.), and see the Dutch fleet, under nominal command of Lieutenant-Admiral Michiel de Ruyter, attack the largest English naval ships, laid up in the dockyards of their main naval base Chatham.

The burning of the English fleet off Chatham, 20th June 1667, by Peter van de Velde.
1820: Sir Joseph Banks, 1st Baronet, GCB, PRS, aged 77, died on 19th June 1820 in Spring Grove House, London.
An English naturalist, botanist, and patron of the natural sciences, Banks took part in Captain James Cook's first great voyage (1768–1771) and the exploration of Botany Bay.
Banks is credited with the introduction to the Western world of the eucalyptus, the acacia, and the genus named after him, Banksia. Approximately 80 species of plants bear Banks's name.
He also directly fostered several famous voyages, including that of George Vancouver to the northeastern Pacific (Pacific Northwest), and William Bligh's voyages to transplant breadfruit from the South Pacific to the Caribbean islands.
Joseph Banks was buried at St Leonard's Church, Heston.

Joseph Banks (13th February [24th February N.S.] 1743 - 19th June 1820),
As painted by Sir Joshua Reynolds in 1773.
1864: C.S.S. 'Alabama' was a screw sloop-of-war built for the Confederate States Navy in 1862 by John Laird Sons and Company at Birkenhead, England. 'Alabama' served as a successful commerce raider, attacking Union merchant and naval ships over the course of her two-year career, during which she never anchored in a Southern port.
On 19th June 1864, 'Alabama' was sunk in battle by the Mohican-class screw sloop-of-war, U.S.S. 'Kearsarge', at the Battle of Cherbourg outside the port of Cherbourg, France.
U.S.S. 'Kearsarge' sinks Confederate-raider C.S.S. 'Alabama' outside the French port of Cherbourg, 1864 - Painting by Jean-Baptiste Henri Durand-Brage.
1914: (Rear-Admiral Sir) Morgan Charles Morgan-Giles, (DSO, OBE, GM, DL), is born. The eldest son of F. C. Morgan-Giles O.B.E., (Naval Architect and yacht designer) and Ivy Constance Morgan-Giles. Morgan-Giles' childhood was spent idyllically "messing around with boats" at Teignmouth, where his father had his boatyard.
Morgan-Giles' first memory was of his father building a little dingy for his young son (whilst on sick leave from from the Royal Navy with petrol poisoning during WWI).
Due to the war, there was a shortage of good wood, and legend has it that F.C. Morgan Giles couldn't find quite what he wanted to finish her off. His wife came home one day to find the best table in the house had mysteriously vanished but the little boat had a new mahogany transom.
When the boat was completed (she was called 'Pip Emma' and is now in the National Maritime Museum Cornwall in Falmouth) the three year old Morgan was placed in her and launched out to sea. This started off his lifelong passion for boats and the sea...

'Pip Emma' at Beale Park Boat Show, promoting the National Maritime Museum, Falmouth (June 2010).
1937: Sir James Matthew Barrie, 1st Baronet, OM, aged 77, died of pneumonia in London. The Scottish author and dramatist is best remembered today as the creator of Peter Pan. Before his death, he gave the rights to the Peter Pan works to London's Great Ormond Street Hospital, which continues to benefit from them.
J. M. Barrie was buried at Kirriemuir next to his parents and two of his siblings. He left the bulk of his estate (excluding Peter Pan) to his secretary Cynthia Asquith.
1940: At the start of World War II, R.M.S. 'Niagara', an ocean liner operated by the Canadian-Australasian Line was maintaining a service from Auckland, New Zealand, to Suva and Vancouver.
On 19th June 1940, she had just left Auckland when, off Bream Head, Whangarei, she struck a mine laid by the German auxiliary cruiser 'Orion' and sank in 121 metres of water. No lives were lost.
Unbeknown to all but a few, a secret and large consignment of gold from the Bank of England was in the ship's strong room and went down with the ship. The gold was payment from England to the United States, which had not yet entered the war, for munitions in the fight against Germany.
1944: The first day of the Battle of the Philippine Sea (19th-20th June 1944) took place during the United States' amphibious invasion of the Mariana Islands during the Pacific War. The battle was the fifth of five major 'carrier-versus-carrier' engagements between American and Japanese naval forces, and involved elements of the United States Navy's Fifth Fleet as well as ships and land-based aircraft from the Imperial Japanese Navy's Mobile Fleet and nearby island garrisons.

U.S.S. 'Bunker Hill' (CV-17) is near-missed by a Japanese bomb, during the air attacks of 19th June 1944.