Queen Elizabeth II at the Trooping the Colour, London, on her Official Birthday, 14 June 2008. The day is marked in London by the ceremony of Trooping the Colour, which is also known as the Queen's Birthday Parade.he sovereign's birthday had been observed in Canada since 1845, when the parliament of the Province of Canada passed a statute to officially recognize Queen Victoria 's birthday, 24 May.
Calcium is found naturally in dairy products such as milk, yogurt and cheese. Calcium citrate is often referred to as a sour salt, as it has both sour and salty tastes. It is manufactured in a fermenting process: calcium hydroxide is used to neutralize citric acid. The resulting product -- calcium citrate - is then filtered and cleaned.
It is also the fifth most abundant dissolved ion in seawater. Calcium was named after the Latin term calx meaning lime, and is a reactive silvery metallic element found in Group 2 of the periodic table.It was first isolated in 1808 in England when Sir Humphry Davy electrolyzed a mixture of lime and mercuric oxide.alcium is used to produce the minerals contained in bones, shells and teeth through a process called biomineralisation. Calcium phosphate (also known as hydroxyapatite) is the mineral component of bones and teeth and is a particularly good example of how organisms fabricate 'living' composite materials.