Category:Protected areas by century of establishment

• Parks by century of establishment (5 C)

0–9

• Protected areas established in the 11th century (1 P)
• Protected areas established in the 16th century (1 P)
• Protected areas established in the 17th century (4 P)
• Protected areas established in the 18th century (3 C)
• Protected areas established in the 19th century (9 C, 1 P)
• Protected areas established in the 20th century (11 C, 1 P)
• Protected areas established in the 21st century (4 C)