. Nov. 13th.--Froebel founds his "Universal German Educational
Institute" in Griesheim.

1817. Transference of the School to Keilhau. Arrival of Langethal and
Middendorff.

1818. First marriage of Froebel.

1820. Christian Froebel arrives at Keilhau with his wife and daughters
Froebel writes "To the German people."

1821. Froebel publishes (privately) "Principles, Aims, and Inner Life
of the Universal German Educational Institute in Keilhau," and
"Aphorisms."

1822. He publishes the pamphlets "On German Education, especially as
regards the Universal German Educational Institute at Keilhau,"
and "On the Universal German Educational Institute at Keilhau."

1823. He publishes "Continuation of the Account of the Educational
Institute at Keilhau."

1824. He publishes the pamphlet "Christmas at Keilhau."

1826. Marriages of Langethal and Middendorff. Froebel publishes the
"Education of Man" ("Menschen Erziehung"). Later he founds the
weekly _Family Journal of Education_.

1827. Letter to the Duke of Meiningen (translated in this present
work), uncompleted, probably never sent to the duke.

1828. Letter to Krause (partly translated in the present work). Barop
formally becomes a member of the Educational Community at
Keilhau.

1829. Plan for a National Educational Institute in Helba, under the
auspices of the Duke of Meiningen, now completed, the whole
Keilhau community having worked upon it under Froebel's
direction.

1830. Death of Wilhelm Carl, one of the Keilhau community, by drowning
in the Saale.

1831. Froebel breaks with the Duke of Meiningen, and gives up the Helba
project.

Visit to Frankfurt, and meeting with Schnyder.

Acceptance of Schnyder's offer of his Castle at Wartensee.

Opening of the Institution at Wartensee by Froebel and his nephew
Ferdinand.

1832. Barop goes to Wartensee. Transference of the School from
Wartensee to Willisau. Froebel pays a short visit to Keilhau.

1833. Froebel brings his wife to Willisau. The Bernese Administration
invites him to consider a plan for the foundation of an Orphanage
at Burgdorf. He is appointed lecturer for the Repetitive Courses
for young teachers held there. Langethal comes from Keilhau to
Willisau, Barop returns to Keilhau.

1835. Froebel, h