The Democratic Party is one of the two major contemporary political parties in the United States, along with the Republican Party. Tracing its heritage back to Thomas Jefferson and James Madison's Democratic-Republican Party, the modern-day Democratic Party was founded around 1828 by supporters of Andrew Jackson, making it the world's oldest political party.

Based on that paragraph can we conclude that this sentence is true?
The Democratic Party has since seen major ideological shifts. 
It's impossible to say