Dardanelles Strait in the context of Turkish Straits

Biga Peninsula (Turkish: Biga Yarımadası) is a peninsula in Turkey, in the northwest part of Anatolia. It is also known by its ancient name Troad (Troas).

The peninsula is bounded by the Dardanelles Strait and the southwest coast of the Marmara Sea to the north, Aegean Sea to the west and the Edremit gulf to the South. The eastern border of the peninsula is Gönen creek close to Kapıdağ Peninsula. Cape Baba at 39°28′46″N 26°03′49″E / 39.47944°N 26.06361°E / 39.47944; 26.06361 is the westernmost point of Anatolia The main mountain of the peninsula is Kaz Mountain (Mount Ida of the antiquity). Among the seven rivers or creeks, Karamenderes River (Scamander of the antiquity) and Biga River (Granikos of the antiquity) are the longest. Karamenderes discharges to Dardanelles Strait and Biga River discharges to the Marmara Sea.

The Chanak crisis (Turkish: Çanakkale Krizi), also called the Chanak affair and the Chanak incident, was a war scare in September 1922 between the United Kingdom and the Government of the Grand National Assembly in Turkey. Chanak refers to Çanakkale, a city on the Anatolian side of the Dardanelles Strait. The crisis was caused by Turkish efforts to push the Greek armies out of Turkey and restore Turkish rule in the Allied-occupied territories, primarily in Constantinople (now Istanbul) and Eastern Thrace. Turkish troops marched against British and French positions in the Dardanelles neutral zone. For a time, war between Britain and Turkey seemed possible, but Canada refused to agree as did France and Italy. British public opinion did not want a war. The British military did not either, and the top general on the scene, Sir Charles Harington, refused to relay an ultimatum to the Turks because he counted on a negotiated settlement. The Conservatives in Britain's coalition government refused to follow Liberal Prime Minister David Lloyd George, who with Winston Churchill was calling for war.

The crisis quickly ended when Turkey, having overwhelmed the Greeks, agreed to a negotiated settlement that gave it the territory it wanted. Lloyd George's mishandling of the crisis contributed to his downfall via the Carlton Club meeting. The crisis raised the issue of who decided on war for the British Empire, and was Canada's first assertion of diplomatic independence from London. Historian Robert Blake says the Chanak crisis led to Arthur Balfour's definition of Britain and the dominions as "autonomous Communities within the British Empire, equal in status, in no way subordinate one to another in any aspect of the domestic or internal affairs, though united by a common allegiance to the Crown, and freely associated as members of the British Commonwealth of Nations". In 1931 the UK Parliament enacted Balfour's formula into law through the Statute of Westminster 1931.