History is not mentioned as a requirement to graduate in this link, but Social Studies is:
https://www.alberta.ca/education-guide-alberta-high-school-diploma-graduation-requirements-english.aspx
The Social Studies page makes no specific mention of history. I'm as surprised as you are, I'd imagine.
https://www.learnalberta.ca/content/mychildslearning/highschool_social.html#2
SOCIAL STUDIES 10-1
What is globalization and how does it affect us? Social Studies 10-1 students explore the changing meaning of identity and citizenship in a globalizing world, while also understanding the impacts of globalization, both positive and negative, on people worldwide.
SOCIAL STUDIES 10-2
What is globalization and how does it impact me? Social Studies 10-2 students explore the history and effects of globalization. They develop an understanding of the impact that globalization has on people’s identity and citizenship, while addressing emerging issues that globalization presents.
KNOWLEDGE AND EMPLOYABILITY SOCIAL STUDIES 10-4
What is globalization and how does it affect me? Knowledge and Employability Social Studies 10-4 students will look at the history of globalization and understand various viewpoints on the effects that globalization has on individuals, local communities and the world as a whole. Students who have experienced challenges or difficulty with their skills will be provided with additional strategies for success in the Knowledge and Employability -4 course sequence.
SOCIAL STUDIES 20-1
What is nationalism and how does it affect us? Social Studies 20-1 students look at the origins and effects of nationalism and weigh its benefits and limitations. They examine issues related to nationalism and consider impacts on individuals, international relations and citizenship.
SOCIAL STUDIES 20-2
What is nationalism and how does it affect me? In Social Studies 20-2, students examine the origins and effects of nationalism from various perspectives, developing an understanding of the impact of nationalism on individuals, international relations and citizenship in Canada.
KNOWLEDGE AND EMPLOYABILITY SOCIAL STUDIES 20-4
What is nationalism and how does it affect us? In Knowledge and Employability Social Studies 20-4, students explore the development of nationalism as well as its effects, considering various perspectives on the idea of nation in Canada. They develop an understanding of the impact of nationalism on individuals, international relations and citizenship. Students who have experienced challenges or difficulty with their skills will be provided with additional strategies for success in the Knowledge and Employability -4 course sequence.
SOCIAL STUDIES 30-1
What are ideologies and how do they affect us? Social Studies 30-1 students examine multiple perspectives on various ideologies and on the influence of these ideologies, focusing particularly on liberalism. They develop an understanding of how ideologies can shape us and our world.
SOCIAL STUDIES 30-2
What are ideologies and how do they affect us? Social Studies 30-2 students will examine multiple perspectives on various ideologies, focusing in particular on liberalism. They will develop an understanding of how ideologies can shape us and our world.
Middle School isn't much better:
Grade 7 Social Studies:
Canada has undergone some major changes during its history, and your Grade 7 child will uncover the stories behind these changes. They will become familiar with the people and events that led to Canadian Confederation and with the political, economic and social changes that took place afterward. Your child will gain an understanding of Canada’s development into the multicultural, bilingual, pluralistic and diverse society we know today. For more about Grade 7 Social Studies, refer to the program of studies.
Grade 8 Social Studies:
Contact between peoples who view the world in different ways has shaped society. By using the historical examples of Japan, Renaissance Europe and Spanish and Aztec civilizations, your teen will examine how societies with differing cultures can affect each other when they come into contact. By exploring how people in different places and times have viewed the world, your teen will think about their own worldview. For more about Grade 8 Social Studies, refer to the program of studies.
Knowledge and Employability Social Studies
Grade 8 Knowledge and Employability Social Studies examines issues related to contact between societies with differing worldviews. Contact between peoples who view the world in different ways has shaped society. By exploring how people in different places and times have viewed the world, your teen will think about their own worldview. Examples of worldviews may be drawn from Japan, Renaissance Europe and Spanish and Aztec societies. Your teen will be provided with additional strategies for success in this Knowledge and Employability course. For more about Grade 8 Knowledge and Employability Social Studies, refer to the program of studies.
Grade 9 Social Studies:
Your teen will discover the important influences that government and economics have on our lives. They’ll focus on the rights, roles and responsibilities of citizens in decision-making processes and in the Canadian justice system. Your teen will also explore issues related to immigration and consider the impact of economic decisions on the quality of life experienced in Canada and in the United States. For more about Grade 9 Social Studies, refer to the program of studies.
Knowledge and Employability Social Studies
Grade 9 Knowledge and Employability Social Studies focuses on citizenship, identity and quality of life. Your teen will discover the important influences that government and economics have on their life. They will focus on the rights, roles and responsibilities of citizens in decision-making processes and in the Canadian justice system. Your teen will also explore issues related to immigration and will consider the impact of economic decisions on the quality of life experienced in Canada and in the United States. They will be provided with additional strategies for success in this course. For more about Grade 9 Knowledge and Employability Social Studies, refer to the program of studies.