nces; Trajan attacks and drives them over the Danube.

102. Rome continues the war in Dacia. Trajan's Empress, Plotina Pompeia,
and his sister, Marciana, by their example reform the manners and
character of the Roman women.

103. Trajan dictates a treaty of peace to Decebalus, the Dacian leader.

104. Rome renews the Dacian war; Trajan again in command; Hadrian serves
under him.

Pliny writes his famous letter to the Roman Emperor in regard to the
Christians.

105. Trajan's bridge over the Danube constructed.

Plutarch is governor of Illyricum.

106. Decebalus falling in battle, the Dacian war ends; Dacia becomes a
Roman province beyond the Danube.

107. Trajan drains the Pontine marshes and constructs a road through
them; he erects a school for poor children and performs other
meritorious works.

Great discontent is aroused by the progress of Christianity among the
numerous classes of those whose livelihood is derived from the services
and ceremonies of the heathen temples. The third persecution of
Christians begins.

114. Trajan's Column erected; it was made of twenty-four huge blocks of
marble so closely united that they seem like one piece; it is still in
existence, although Trajan's statue, surmounting it, was replaced by one
of St. Peter.

115. War of Rome with Parthia; Trajan adds Armenia and Mesopotamia to
the Roman domains. Rome attains its greatest extension.

Great earthquake at Antioch.

116. Great revolt of the Jews in Cyrene, Cyprus, and Egypt; they
slaughter many thousands of Greeks and Romans.

117. Death of Trajan, who is succeeded by Hadrian; the Asiatic conquests
are relinquished by him.

118. Hadrian, who was with Trajan at the time of his death, returns to
Rome; a plot against him is discovered and four conspiring senators are
put to death. Hadrian conciliates the people with large gifts. He enters
upon his campaign in Moecia.

119. Hadrian begins a personal survey of his dominions; he visits
Campania, Gaul, and Britain.

121. Birth of Marcus Aurelius Antoninus.

131. Birth of Galen, long the supreme authority in medical science.

132. Insurrection of the Jews under Bar Cocheba; their final dispersion
follows. See "THE JEWS' LAST STRUGGLE FOR FREEDOM: THEIR FINAL
DISPERSION," iii, 222.

138. Death of Hadrian and succession of Antoninus Pius.

155.* About this time Polycarp and Justin suffer martyrdom. See
"MARTYRDOM OF POLYCARP AND JUSTIN MARTYR," iii, 231.

161. Death