The year 1200 was the first year of the 13th century.
1235 was the 13th century (1200-1299).
The year 1201 was the 13th century (1200-1299).
The year 1239 was the 13th century (1200-1299).
The year 1282 was in the 13th century (1200-1299).
The year 1200 was the first year of the 13th century.
1235 was the 13th century (1200-1299).
The year 1239 was the 13th century (1200-1299).
The year 1282 was in the 13th century (1200-1299).
The year 1201 was the 13th century (1200-1299).
The 12th century was the years 1101 to 1200.
The 1200s were the 13th century, from 1200 to 1299.
It is the years running from 1101 to 1200.
The twelfth century covers the years between 1101 and 1200.
1284 BC was the 13th century (years 1200-1299).
There are: 100*12 = 1200 months
The 1200s are older than the 1300s.