There are more than 180 of these predictions listed at "List of dates predicted for apocalyptic events - Wikipedia"
A few of the more recent publicized ones are listed below.

2013-14 - Blood Moon :
The first of a series of 4 "blood moon eclipses" occurred at 2 AM on April 15, 2014. According to patheos.com 'Many Christians believe the "blood moon eclipses" are a sign of the "End Times."' It is based on Acts 2:19 "And I will show wonders in Heaven above and signs in the Earth beneath, the sun shall be turned into darkness and the moon into blood before the coming of the great and awesome day of the Lord." The tetrad -- or four consecutive and complete lunar eclipses occurring at approximately six month intervals -- will all be visible over the United States during 2014 -2015. The first one in this tetrad begins at 2 a.m. ET on April 15. The other dates are Oct. 8, 2014, April 4, 2015 and Sept. 28, 2015. http://www.patheos.com/blogs/progressivesecularhumanist/2014/04/welcome-back-jesus-christians-say-blood-moon-signals-end-times/ Welcome back Jesus? Christians say 'Blood Moon' signals End Times | Progressive Secular Humanist

John Hagee the controversial 73-year-old founder of Texas' Cornerstone Church says he has been preparing for the tetrad for years. The preparation includes a book -- Blood Moons: Something is About to Change and an online TV special April 15.
In 2008, Hagee was criticized for suggesting that Hurricane Katrina was a result of God's wrath toward the city of New Orleans for planning a rally for gays and lesbians.

See Pastor John Hagee: Tuesday's 'blood moon' eclipse signals the end of the world | The Raw Story

1994 and 2011 - Harold Camping:
Another end times predictor, Harold Camping, who predicted the end on May 21, 2011 and when it didn't happen said he miscalculated and it was October, died late last year.
Apparently all the publicity didn't help. Family Radio assets dropped from $135 million in 2007 to $29.2 million in 2011 and they laid off most of their staff. He missed his previous date of 1994 also.

He issued a letter later saying ""God has humbled us through the events of May 21," he wrote. "We must also openly acknowledge that we have no new evidence pointing to another date for the end of the world."

Harold Camping, radio host who predicted world's end, dies at 92 | Religion News Service

2000:
A dozen or more people predicted an end in 2000, including Isaac Newton, Ed Dobson, Jerry Falwell, Pat Robertson and Sun Myung Moon.

The Jehovahs witnesses who came by my house around 1999 said the end was near because of increasing earthquakes and the spread of Christianity to the ends of the Earth.
See Earthquakes and World Missionary Efforts.

July 1999:
A prediction attributed to Nostradamus stating the "King of Terror" would come from the sky in "1999 and seven months" led to fears of the end.

1975:
Jehovah's Witnesses published articles which stated that the fall of 1975 would be 6000 years since man's creation, and suggest than Armageddon could be finished by then.
Previously they had predicted dates of 1914, 1918 and 1925.

1972:
Herbert W. Armstrong, founder of Worldwide Church of God and an early radio and tele-evangelist pre The second of three revised dates from Armstrong after his 1936 and 1943 predictions failed to come true.

1962:
Jeane Dixon, various Indian astrologers.
Jeane Dixon predicted a planetary alignment on this day was to bring destruction to the world. Mass prayer meetings were reported from India.

Various cult leaders, Jim Jones (Peoples Temple), Charles Manson (Tate-LaBianca murders), David Berg(Children of God) have predicted an end at different times.

Links:
List of dates predicted for apocalyptic events - Wikipedia

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