Boxer rebellion Russians - without peak.

WW2 Soviets - after headswap.

About the Mexicans, if metal is an option you might want to check Shellhole Scenics and Early War Miniatures who do a whole range:
http://shellholescenics.co.uk/index.php?main_page=index&cPath=254&zenid=a6hl8jcispk55afp9p89eddno0
http://earlywarminiatures.com/product-category/ww1-1914-1918/ww1-1914-1918-mexican-revolutionary-period/

No connection to the companies. Regards, Pat

1.russo-japanee war
2.russo-turkish war 1877-78 ( imperial guard had peaked caps)
3.boxer rebelion
4.russian colonial wars of 1859-99 (caucasian wars)
5.russian civil war
6.chinese civil war