I love a good Chocolate Cake.
I'm so thankful for Dr James BAker who discovered how to make chocolate by grinding cocoa beans!
When that happened?
all the way in 1764! and in 1828 Conrad Houten ldeveloped a method for extracting the fat from cacao liquor
Do you mean that chocolate didn't exist before 1764,  I thought it was much older.  Were was he from Dr. James Baker?
I'm not sure where he was from but believe it or not until 1890 chocolate recipes were mostly for chocolate drinks 
What? So they were missing solid delicious chocolate before that, poor things! Not that I don't love chocolate milk too.
were mostly for chocolate drinks, and its presence in cakes was only in fillings and glazes. In 1886, American cooks began adding chocolate to the cake batter, to make the first chocolate cakes in the US.
The Duff Company of Pittsburgh, a molasses manufacturer, introduced Devil's food chocolate cake mixes in the mid-1930s, but introduction was put on hold during World War II. Duncan Hines introduced a "Three Star Special" (so called because a white, yellow or chocolate cake could be made from the same
Chocolate cake
Chocolate cake or chocolate gâteau (from French: "gâteau au chocolat") is a cake flavored with melted chocolate, cocoa powder, or both.
History.
Chocolate cake is made with chocolate. It can also include other ingredients. These include fudge, vanilla creme, and other sweeteners.The history of chocolate cake goes back to 1764, when Dr. James Baker discovered how to make chocolate by grinding cocoa beans between two massive circular millstones.
In 1828, Coenraad van Houten of the Netherlands