April-1 - April Fool's Day
April-6 - National Tartan Day
April-13 - Thomas Jefferson's Birthday
April-15 - Income Tax Day (also Accountant's Day)
April-15 - Rubber Eraser Day
April-16 - Emancipation Day (DC)
April-16 - Librarian Day (School)
April-18 - Paul Revere Day
April-21 - John Muir Day
April-22 - Earth Day
April-23 - Administrative Professionals Day (Secretaries Day)
April-26 - Confederate Memorial Day

May-1 - Law Day
May-1 - Lei Day
May-1 - Loyalty Day
May-1 - May Day
May-1 - National Day of Prayer
May-1 - Save the Rhino Day
May-2 - Brothers and Sisters Day
May-3 - National Scrapbook Day
May-5 - Cinco de Mayo
May-6 - National Nurses Day
May-8 - V-E Day
May-10 - National Receptionist Day
May-11 - Mother's Day
May-15 - Peace Officer Memorial Day
May-18 - Armed Forces Day
May-19 - Malcolm X Day
May-21 - National Waiter/Waitress Day
May-22 - National Maritime Day
May-25 - National Missing Children's Day
May-25 - National Tap Dance Day
May-26 - Memorial Day

January-1 - New Year's Day
January-2 - Bank Holiday
January-27 - WWII Genocide Memorial Day

February-5 - Shrove Tuesday
February-14 - St. Valentine's Day

March-1 - St. David's Day
March-2 - Mothering Sunday
March-17 - St. Patrick's Day
March-21 - Good Friday
March-23 - Easter
March-24 - Easter Monday
March-25 - Lady Day

April-1 - April Fool's Day
April-21 - Queen's Birthday
April-23 - St. George's Day

May-5 - May Day Bank Holiday
May-8 - V-E Day

June-15 - Father's Day

July-12 - Battle of Boyne/Orangemen's Day
July-14 - Emmeline Pankhurst Day
July-15 - St. Swithin's Day

September-16 - Owain Glyndwr Day (Wales)
September-19 - Talk Like a Pirate Day
September-29 - Michaelmas

October-31 - Hallowe'en

November-5 - Bonfire Night (Guy Fawkes Day)
November-11 - Remembrance Day
November-30 - St. Andrew's Day

December-25 - Christmas Day
December-26 - Boxing Day
December-31 - New Year's Eve

January-1 - New Year's Day
January-26 - Australia Day

February-5 - Shrove Tuesday
February-14 - St. Valentine`s Day

March-1 - Labour Day (Western Australia)
March-6 - World Day of Prayer
March-8 - International Women's Day
March-21 - Good Friday
March-24 - Easter Monday

April-1 - April Fool's Day
April-25 - Anzac Day

May-3 - Labour Day (Queensland)
May-3 - May Day (Northern Territory)
May-3 - Polish National Day
May-8 - Red Cross Day
May-11 - Mother's Day
May-12 - Chronic Fatigue Syndrome Day
May-12 - International Midwives Day
May-12 - Nurse's Day
May-22 - Corpus Christi
May-25 - National Jordan Day
May-26 - Sorry Day
From May-27 to June-3 - Reconciliation Week
May-30 - Salvation Army Red Shield Appeal
May-31 - No Tobacco Day

June-1 - International Children's Day
June-3 - Mabo Day
June-5 - World Environment Day

August-8 - International Day of the World's Indigenous People
August-8 - Saint Mary MacKillop Day
August-31 - White Rose Day (in honor of Princess Diana)

September-3 - Austrialian National Flag Day
September-15 - International Day of Peace

October-15 - International Day of Older People
October-15 - World Rural Women's Day

November-4 - Melbourne Cup
November-11 - Remembrance Day

December-3 - International Day for People with a Disability
December-5 - International Volunteers Day
December-25 - Christmas Day
December-26 - Boxing Day
December-26 - Proclamation Day
December-31 - New Year's Eve

January-1 - New Year's Day
January-11 - Sir John A. Macdonald's Birthday

February-2 - Groundhog Day
February-14 - St. Valentine`s Day
February-15 - National Flag of Canada Day
February-18 - Family Day (Alberta & Ontario only)
February-18 - Louis Riel Day (Manitoba)
February-19 - Family Day (Saskatchewan only)

March-10 - Commonwealth Day
March-17 - St. Patrick's Day
March-21 - Good Friday
March-23 - Easter Sunday
March-24 - Easter Monday

April-1 - April Fool's Day
April-22 - Earth Day
April-23 - Administrative Professionals Day (formerly Secretaries Day)
April-23 - St. George's Day
April-27 - Orthodox Easter
April-28 - Day of Mourning for Persons Killed or Injured in the Workplace
April-28 - National Day of Mourning

May-11 - Mother's Day
May-19 - Victoria Day

June-6 - Clean Air Day
June-15 - Father's Day
June-21 - National Aboriginal Day
June-24 - Cabot 500 Day (Discovery Day)
June-24 - Discovery Day (Newfoundland & Labrador)
June-24 - Fete Nationale (Quebec)

July-1 - Canada Day
July-12 - Orangemen's Day
July-30 - MicMac Festival of St. Ann

August-4 - Civic Holiday
August-15 - Acadian Day

September-1 - Labour Day

October-13 - Thanksgiving Day
October-18 - Persons Day
October-24 - United Nations Day
October-31 - Hallowe'en

November-11 - Remembrance Day

December-25 - Christmas Day
December-26 - Boxing Day
December-31 - New Year's Eve