- 
  
  Mary's husband named William (also known as John) Hays joined the First Pennsylvania Artillery Regiment which was his first time in the war. This had a major impact on Mary because she would soon go to war with him.
 - 
  
  Mary went to the field withWilliam and did the armies chores. This included washing clothes, dishes, and nursing soldiers.
 - 
  
  At the Battle of Monmouth, Mary was a nurse and brought water to the soldiers. From this, she got her famous nickname, Molly Pitcher.
 - 
  
  Mary's husband passes out due to possible heat exhaustion. When Mary found out, she stopped what she was doing and started to fire his cannon. This is a very big thing for a woman to do, especially in this time period
 - 
  
  Mary had a near-death experience when a cannonball passed straight through her legs and it only managed to rip off her coat
 - 
  
  Mary returned to Pennsylvania where her husband passed away
 - 
  
  American Revolution is now over. This is a very big deal to Mary because she is one of the main people who helped win a battle in the war.
 - 
  
  Mary gets married to a man named John McCauley, a veteran.
 - 
  
  Mary dies and receives a military funeral. This is a very rare occurrence especially for the time period that this happened in.
 - 
  
  Mary is awarded $40 each year for her military service. This is a big deal because she was recognized as a woman in the war.