Where was the first center of government in the present-day united states set up?

The Constitutional Convention (also known as the Philadelphia Convention the Federal Convention, or the Grand Convention at Philadelphia) took place from May 25 to September 17, 1787, in the old Pennsylvania State House (later known as Independence Hall because of the adoption of the Declaration of Independence there

continental currency was denominated in dollars from $​1⁄6 to $80, including many odd denominations in between.

the adoption by russian princes of the mongols' diplomatic rituals