13 Moons on turtles back a Native American calendar.

Blackwell was born near the English city of Bristol, but emigrated with her family to America in 1832 when she was eleven years old. The family eventually settled in Cincinnati, Ohio, by which time her parents had already made the unusual decision for the time of employing both a governess and private tutors to develop their children’s education – including the girls. 
 

Accomplishing a goal when there are no role models to emulate can be difficult, but that didn’t stop Elizabeth Blackwell from becoming the first woman doctor in the United States in 1849. This time-traveling cartoon will teach your elementary kids about Dr. Blackwell and her determination to achieve her dreams despite the difficulty of forgoing a new path.

The first woman to graduate from a U.S. medical college, Elizabeth Blackwell broke through gender barriers to make history. Her remarkable story of courage and perseverance serves as a testament to the strength of the human spirit.

Time zones, the international date line and coordinates are a tricky thing to get your head around. Here's Maddie Moate's attempt at an explanation...using a watermelon. obviously.