(CNN) Is the transition of power from Barack Obama to Donald Trump the very strangest in the history of the American presidency? On the other hand, this transfer of power is hardly the first controversial one; the American presidency has a long history of contentious handoffs. The transition that took place in early 1829 was like no other in American history. The walls then completely fell in on the Nixon presidency. The next morning, President Nixon signed a letter of resignation that, following federal law, he sent to Secretary of State Henry Kissinger.

Source: CNN January 11, 2017 13:30 UTC