School Motto. Mission Statement. The mission of Rock Lake Middle School is to prepare students to become productive citizens, future leaders and lifelong learners by inspiring and empowering them to excel academically, technologically, physically, creatively and socially.
The Edo period (æ±æ¸æä»£, Edo jidai) or Tokugawa period (å¾³å·æä»£, Tokugawa jidai) , is the period between 1603 and 1868 in the history of Japan, when Japanese society was under the rule of the Tokugawa shogunate and the country's 300 regional Daimyo.he period came to an end with the Meiji Restoration on May 3, 1868, after the fall of Edo.
Introduction: The Ordovician Period is in the Paleozoic Era, which is in the Phanerozoic Eon. The Ordovician started about 488.3 million years ago, and it ended about 443.7 million years ago. It encompassed about 45 million years, or 0.970% of geologic time.