Revise the following sentences to make them concise.
1. it was william harvey who first wrote about the circulation of the blood.
2. in terms of the size, if it's land, canada is the second-largest country in the world.

1. William Harvey first wrote about the circulation of the blood.

2. Canada is the second-largest country in the world in terms of the size.

Explanation:

in june, we will have been married for eighteen months. (i am assuming this is what you want? the sentence, as you have presented it, is grammatically incorrect--   you want it corrected, yes? )