The old Roman calendar assumed a year slightly longer than the true one, and t small er accumulated un the spr equinox h drifted t days fr its pro date. T correction rem the surplus at a stroke, so that in the countries that adopted it late the fourteenth of September followed the second. Rents and wages were the real difficulty, since nobody could agree whether a month with eleven days missing should be paid in full.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.