1870
Maria Montessori born on August 31 in Chiaravalle, Ancona province, Italy.
Attends a boys’ school in Rome, with a science/engineering emphasis.
1870
February 3, 1870: The 15th Amendment to the U.S. Constitution, which gave the right to vote to black males, became law when the required number of states ratified it.
June 9, 1870: Charles Dickens, British novelist, died at the age of 58.
1890
Against opposition from her father, she pursues her wish to become a doctor.
1890
Mar 20th - General Federation of Womans ' Clubs founded.
May 12th - The first-ever official County Championship match begins. Yorkshire beats Gloucestershire by eight wickets at Bristol. George Ulyett scores the first century in the competition.
1896
Becomes the first woman to obtain a Doctor of Medicine degree from the University of Rome. Represents Italy at the International Women’s Congress in Berlin; delivers address on rights of working women, including equal pay for equal work. Studies the writings of French doctors Itard and Séguin, who worked with disabled children.
1896
Jan 1st - Wilhelm Roentgen announces his discovery of x-rays.
1897-98
Audits courses in pedagogy at the University of Rome; reads all major works in educational philosophy over the past 200 years.
1897
Feb 17th - National Organization of Mothers forms (Parent Teacher Association)
1900
Works at the psychiatric clinic in Rome.
Appointed director of the Orthophrenic School, a model school for training teachers of children with developmental disabilities. For two years, she experiments at the model school with materials to stimulate the senses. She succeeds in fostering the development of some of the children to such an extent that they achieve the same results on state exams as typically developing schoolchildren.
1900
Max Planck Formulates Quantum Theory.
1901
Begins a second degree—in