Why was the King of the United Kingdom coronation in June 1902 delayed?
1902 Coronation Honours:  The coronation was postponed because the King had been taken ill two days before, but he ordered that the honours list should be published on that day anyway. Edward VII: Edward VII (Albert Edward; 9 November 1841 – 6 May 1910) was King of the United Kingdom and the British Dominions and Emperor of India from 22 January 1901 until his death in 1910.
the King had been taken ill