King Henry IV of England: What did he say in his coronation address? I
am looking for the actual text in Middle-English.

Hi general_vodon,

This is not an official answer, as I am not a Google Answers researcher.

Here is some background information I've found:

"Henry's coronation, on October 13, 1399, is notable as the first time
following the Norman Conquest that the monarch made an address in
English." [1]

and

"Henry IV spent much of the early part of his reign fighting to keep
control of his lands. Exiled for life by Richard II in 1399, Henry's
successful usurpation did not lead to general recognition of his claim
(he remained unrecognised as King by Charles VI of France)." [2]

"Henry IV is crowned with a newly discovered coronation oil." [3]

-----
sources
-----
1. http://en.wikipedia.org/wiki/Henry_IV_of_England
2. http://www.royal.gov.uk/output/Page52.asp
3. http://yalepress.yale.edu/YupBooks/viewbook.asp?isbn=0300075448