Nationality & place of origin
Ser
Profession/Occupation
Ser
Characteristics of people & things
Ser
Genralizations
Ser
Possession
Ser
What something is made of
Ser
Time and date
Ser
Where an event takes place
Ser
Location or spatial relationships
Estar
Health
Estar
Physical states or conditions
Estar
Emotional states
Estar
Certain weather expressions
Estar
Ongoing actions (progressive tenses)
Estar