Canons Regular of the Holy Cross of Coimbra was created in 1131.
Canons Regular of the Order of the Holy Cross was created in 1210.
It can be either irregular or regular depending on which cross you mean. A cross as in the X symbol is regular, as is the + (plus) sign. The traditional cross associated with Christianity is not
No, a cross is not considered a regular polygon. A regular polygon is defined as a shape with all sides and angles equal, such as a square or an equilateral triangle. A cross typically has unequal lengths and angles, making it irregular.
Knight's Cross of the Iron Cross was created on 1939-09-01.
Cross Contamination was created in 2008.
Cross Road was created in 1983.
Neon Cross was created in 1983.
The Seventh Cross was created in 1942.
Pisan cross was created in 1017.
Mannerheim Cross was created in 1941.
Still the Cross was created in 2004.
Cross Colours was created in 1989.