while (<>){
	if(/
		(
			[0-3]?[0-9](?:th|st|nd|rd)?\s+	# Get day
			(?:			# Get month
				Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|
				Apr(?:il)?|May|Jun(?:e)?|Jul(?:y)?|
				Aug(?:ust)?|Sep(?:tember)?|Oct(?:ober)?|
				Nov(?:ember)?|Dec(?:ember)?
			)\s+
			[0-9]{2,4}			# Get Year
		)
	/ix) {
	print "$1\n";
	}
}