Sentence:  An archangel ecstatically proclaiming the <WSD>Millennium</WSD>, and then finding that it clashed unpardonably with Henley and would have to be indefinitely postponed, could hardly have felt more crestfallen than Cornelius Appin at the reception of his wonderful achievement. 
Meaning of the word marked with <WSD> tags:  The period of one thousand years during which Christ will reign on earth (according to Millenarianist interpretations).