1949Year R Mayer fails to form Cabinet

1950Year Embassy aide, Ottawa, rejects order to return to Poland

1952Year Cabinet protests pact signing without its knowledge

1984Year He does it nearly every time he gives a speech on television. With a trademark lopsided grin and ''aw, shucks'' ducking of his head, President Reagan comes across as good-hearted, carefree and utterly unobsessed by the burdens or pleasures of power. Jimmy Carter, Richard M. Nixon and Lyndon B. Johnson yearned for the Presidency. Surely one secret of Mr. Reagan's success is that he conveys the impression that he would prefer to be back at his ranch. His manner suggests that if it takes being President to carry out his deeply held ideas - by golly, he'll just have to be President. The Reagan style also contrasts with that of the Democratic nominee. The people who know him best could not imagine the Republican nominee concluding a speech with Walter F. Mondale's peroration in San Francisco, ''I want to be President of the United States.'' CONVENTION IN DALLAS: THE REPUBLICANS

1980Year Sports World Specials

1988Year LEAD: A YEAR after Wall Street quaked last Oct. 19, tumbling much of the real estate market with it, most residential properties have sprung back smartly. But those closest to the epicenter - houses and apartments destined for buyers with incomes earned from the financial markets - are still slithering around in a slough of weakness. A Year After the Crash, Climbing Back