First Image: Marie Taglioni, a famous French ballerina, dancing Flore. 

Second Image: A pair of pointe shoes used by Marie Taglioni in 1829.

Third Image: Pierina Legnani, a famous Italian ballerina, dancing in a harder shoe.

Fourth Image: Anna Pavlova, a famous Russian ballerina, dancing in a more evolved shoe.

Fifth Image: Misty Copeland, one of todays most famous ballerinas, dancing in a modern pointe shoe which dancers use everyday.