1272-1307. Edward I. General progress. Walter of Henley.
1307. Edward II. Decline.
1315. Great famine.
1337. Export of wool prohibited.
1348-9. Black Death. Heavy blow to manorial system. Many demesne lands let, and much land laid down to grass.
1351. Statute of Labourers.
1360. Export of corn forbidden.
1381. Villeins' revolt.
1393. Richard II allows export of corn under certain conditions.
1463. Import of wheat under 6s. 8d. prohibited. End of fifteenth century. Increase of enclosure.