Want to find some interesting dates in recent history? It’s not a problem! This long-term wall calendar in format A1 will help you to do so. The calendar covers the previous Gregorian calendar 400 years cycle from 1601 to 2000 including also the Easter period. If you work in the education sector, this choice will be tailor-made for you and your team. It’s also a good scientific decoration for some astronomical observatories and other units.